231245020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{1063}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 496036800

約数和(自身を除く): 264791780

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 292, 298, 365, 596, 730, 745, 1063, 1460, 1490, 2126, 2980, 4252, 5315, 10630, 10877, 21260, 21754, 43508, 54385, 77599, 108770, 155198, 158387, 217540, 310396, 316774, 387995, 633548, 775990, 791935, 1551980, 1583870, 3167740, 11562251, 23124502, 46249004, 57811255, 115622510, 231245020]

約数ペア:

[(1, 231245020), (2, 115622510), (4, 57811255), (5, 46249004), (10, 23124502), (20, 11562251), (73, 3167740), (146, 1583870), (149, 1551980), (292, 791935), (298, 775990), (365, 633548), (596, 387995), (730, 316774), (745, 310396), (1063, 217540), (1460, 158387), (1490, 155198), (2126, 108770), (2980, 77599), (4252, 54385), (5315, 43508), (10630, 21754), (10877, 21260)]