7242220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11721

約数の個数: 24

約数和(自身を含む): 15700608

約数和(自身を除く): 8458388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 11681, 23362, 46724, 58405, 116810, 233620, 362111, 724222, 1448444, 1810555, 3621110, 7242220]

約数ペア:

[(1, 7242220), (2, 3621110), (4, 1810555), (5, 1448444), (10, 724222), (20, 362111), (31, 233620), (62, 116810), (124, 58405), (155, 46724), (310, 23362), (620, 11681)]