289238980

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{10163}}^1$

素因数の和:11595

約数の個数: 24

約数和(自身を含む): 607888512

約数和(自身を除く): 318649532

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2846, 5692, 7115, 10163, 14230, 20326, 28460, 40652, 50815, 101630, 203260, 14461949, 28923898, 57847796, 72309745, 144619490, 289238980]

約数ペア:

[(1, 289238980), (2, 144619490), (4, 72309745), (5, 57847796), (10, 28923898), (20, 14461949), (1423, 203260), (2846, 101630), (5692, 50815), (7115, 40652), (10163, 28460), (14230, 20326)]