72685180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{24391}}^1$

素因数の和:24549

約数の個数: 24

約数和(自身を含む): 153669600

約数和(自身を除く): 80984420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 24391, 48782, 97564, 121955, 243910, 487820, 3634259, 7268518, 14537036, 18171295, 36342590, 72685180]

約数ペア:

[(1, 72685180), (2, 36342590), (4, 18171295), (5, 14537036), (10, 7268518), (20, 3634259), (149, 487820), (298, 243910), (596, 121955), (745, 97564), (1490, 48782), (2980, 24391)]