399458510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{330131}}^1$

素因数の和:330160

約数の個数: 24

約数和(自身を含む): 790336008

約数和(自身を除く): 390877498

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 330131, 660262, 1650655, 3301310, 3631441, 7262882, 18157205, 36314410, 39945851, 79891702, 199729255, 399458510]

約数ペア:

[(1, 399458510), (2, 199729255), (5, 79891702), (10, 39945851), (11, 36314410), (22, 18157205), (55, 7262882), (110, 3631441), (121, 3301310), (242, 1650655), (605, 660262), (1210, 330131)]