69981220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{11251}}^1$

素因数の和:11571

約数の個数: 24

約数和(自身を含む): 147446208

約数和(自身を除く): 77464988

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 11251, 22502, 45004, 56255, 112510, 225020, 3499061, 6998122, 13996244, 17495305, 34990610, 69981220]

約数ペア:

[(1, 69981220), (2, 34990610), (4, 17495305), (5, 13996244), (10, 6998122), (20, 3499061), (311, 225020), (622, 112510), (1244, 56255), (1555, 45004), (3110, 22502), (6220, 11251)]