Note on the Number of Prime Divisors of Integers

Note on the Number of Prime Divisors of Integers
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关于整数素数的注记

DOI:
10.1112/jlms/s1-12.48.308
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发表时间:
1937
影响因子:
1.2
通讯作者:
P. Erdös
P. Erdös
中科院分区:
数学2区
文献类型:
--
作者:
P. Erdös

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通过多项式定理展开(S-)k\,我们可以看到分母为无平方数a(fc)的项的系数为1,但其他项的分母中包含q的平方,即大于(logw)12的平方,并且系数小于1。最后,由于k< 2 log log n,因此所有的因子都小于n2/(10 e108 n)2。因此1 ^ c^,因此2 '-7 ^> yr-0
By expanding (S—) k\by the multinomial theorem we see that the coefficient of the terms whose denominator is a square-free a (fc) is 1, but the other terms contain in their denominator the square of a q, ie a square greater than (logw) 12 and have coefficients less than 1. Finally, the denominators are all less than n2/{loeio8n) 2, since k< 2 log log n. Thus1^ c^ and hence 2'-7^> yr—0