218352275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4463}}^1$

素因数の和:4595

約数の個数: 24

約数和(自身を含む): 287838720

約数和(自身を除く): 69486445

約数列:

[1, 5, 19, 25, 95, 103, 475, 515, 1957, 2575, 4463, 9785, 22315, 48925, 84797, 111575, 423985, 459689, 2119925, 2298445, 8734091, 11492225, 43670455, 218352275]

約数ペア:

[(1, 218352275), (5, 43670455), (19, 11492225), (25, 8734091), (95, 2298445), (103, 2119925), (475, 459689), (515, 423985), (1957, 111575), (2575, 84797), (4463, 48925), (9785, 22315)]