492740020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{165349}}^1$

素因数の和:165507

約数の個数: 24

約数和(自身を含む): 1041705000

約数和(自身を除く): 548964980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 165349, 330698, 661396, 826745, 1653490, 3306980, 24637001, 49274002, 98548004, 123185005, 246370010, 492740020]

約数ペア:

[(1, 492740020), (2, 246370010), (4, 123185005), (5, 98548004), (10, 49274002), (20, 24637001), (149, 3306980), (298, 1653490), (596, 826745), (745, 661396), (1490, 330698), (2980, 165349)]