31287020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10499}}^1$

素因数の和:10657

約数の個数: 24

約数和(自身を含む): 66150000

約数和(自身を除く): 34862980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 10499, 20998, 41996, 52495, 104990, 209980, 1564351, 3128702, 6257404, 7821755, 15643510, 31287020]

約数ペア:

[(1, 31287020), (2, 15643510), (4, 7821755), (5, 6257404), (10, 3128702), (20, 1564351), (149, 209980), (298, 104990), (596, 52495), (745, 41996), (1490, 20998), (2980, 10499)]