205123030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2930329}}^1$

素因数の和:2930343

約数の個数: 16

約数和(自身を含む): 421967520

約数和(自身を除く): 216844490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2930329, 5860658, 14651645, 20512303, 29303290, 41024606, 102561515, 205123030]

約数ペア:

[(1, 205123030), (2, 102561515), (5, 41024606), (7, 29303290), (10, 20512303), (14, 14651645), (35, 5860658), (70, 2930329)]