489603740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1440011}}^1$

素因数の和:1440037

約数の個数: 24

約数和(自身を含む): 1088649072

約数和(自身を除く): 599045332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1440011, 2880022, 5760044, 7200055, 14400110, 24480187, 28800220, 48960374, 97920748, 122400935, 244801870, 489603740]

約数ペア:

[(1, 489603740), (2, 244801870), (4, 122400935), (5, 97920748), (10, 48960374), (17, 28800220), (20, 24480187), (34, 14400110), (68, 7200055), (85, 5760044), (170, 2880022), (340, 1440011)]