71089340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507781}}^1$

素因数の和:507797

約数の個数: 24

約数和(自身を含む): 170614752

約数和(自身を除く): 99525412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507781, 1015562, 2031124, 2538905, 3554467, 5077810, 7108934, 10155620, 14217868, 17772335, 35544670, 71089340]

約数ペア:

[(1, 71089340), (2, 35544670), (4, 17772335), (5, 14217868), (7, 10155620), (10, 7108934), (14, 5077810), (20, 3554467), (28, 2538905), (35, 2031124), (70, 1015562), (140, 507781)]