489355220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{135181}}^1$

素因数の和:135371

約数の個数: 24

約数和(自身を含む): 1033331208

約数和(自身を除く): 543975988

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 135181, 270362, 540724, 675905, 1351810, 2703620, 24467761, 48935522, 97871044, 122338805, 244677610, 489355220]

約数ペア:

[(1, 489355220), (2, 244677610), (4, 122338805), (5, 97871044), (10, 48935522), (20, 24467761), (181, 2703620), (362, 1351810), (724, 675905), (905, 540724), (1810, 270362), (3620, 135181)]