718180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 1524600

約数和(自身を除く): 806420

約数列:

[1, 2, 4, 5, 10, 20, 149, 241, 298, 482, 596, 745, 964, 1205, 1490, 2410, 2980, 4820, 35909, 71818, 143636, 179545, 359090, 718180]

約数ペア:

[(1, 718180), (2, 359090), (4, 179545), (5, 143636), (10, 71818), (20, 35909), (149, 4820), (241, 2980), (298, 2410), (482, 1490), (596, 1205), (745, 964)]