621426140

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{162677}}^1$

素因数の和:162877

約数の個数: 24

約数和(自身を含む): 1311835392

約数和(自身を除く): 690409252

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 162677, 325354, 650708, 813385, 1626770, 3253540, 31071307, 62142614, 124285228, 155356535, 310713070, 621426140]

約数ペア:

[(1, 621426140), (2, 310713070), (4, 155356535), (5, 124285228), (10, 62142614), (20, 31071307), (191, 3253540), (382, 1626770), (764, 813385), (955, 650708), (1910, 325354), (3820, 162677)]