140906980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{43223}}^1$

素因数の和:43395

約数の個数: 24

約数和(自身を含む): 297726912

約数和(自身を除く): 156819932

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 43223, 86446, 172892, 216115, 432230, 864460, 7045349, 14090698, 28181396, 35226745, 70453490, 140906980]

約数ペア:

[(1, 140906980), (2, 70453490), (4, 35226745), (5, 28181396), (10, 14090698), (20, 7045349), (163, 864460), (326, 432230), (652, 216115), (815, 172892), (1630, 86446), (3260, 43223)]