489016540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{216379}}^1$

素因数の和:216501

約数の個数: 24

約数和(自身を含む): 1036027440

約数和(自身を除く): 547010900

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 216379, 432758, 865516, 1081895, 2163790, 4327580, 24450827, 48901654, 97803308, 122254135, 244508270, 489016540]

約数ペア:

[(1, 489016540), (2, 244508270), (4, 122254135), (5, 97803308), (10, 48901654), (20, 24450827), (113, 4327580), (226, 2163790), (452, 1081895), (565, 865516), (1130, 432758), (2260, 216379)]