85701820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{28759}}^1$

素因数の和:28917

約数の個数: 24

約数和(自身を含む): 181188000

約数和(自身を除く): 95486180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 28759, 57518, 115036, 143795, 287590, 575180, 4285091, 8570182, 17140364, 21425455, 42850910, 85701820]

約数ペア:

[(1, 85701820), (2, 42850910), (4, 21425455), (5, 17140364), (10, 8570182), (20, 4285091), (149, 575180), (298, 287590), (596, 143795), (745, 115036), (1490, 57518), (2980, 28759)]