489791860

素因数分解:

$2^2\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{7877}}^1$

素因数の和:10995

約数の個数: 24

約数和(自身を含む): 1029024360

約数和(自身を除く): 539232500

約数列:

[1, 2, 4, 5, 10, 20, 3109, 6218, 7877, 12436, 15545, 15754, 31090, 31508, 39385, 62180, 78770, 157540, 24489593, 48979186, 97958372, 122447965, 244895930, 489791860]

約数ペア:

[(1, 489791860), (2, 244895930), (4, 122447965), (5, 97958372), (10, 48979186), (20, 24489593), (3109, 157540), (6218, 78770), (7877, 62180), (12436, 39385), (15545, 31508), (15754, 31090)]