68943820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313381}}^1$

素因数の和:313401

約数の個数: 24

約数和(自身を含む): 157944528

約数和(自身を除く): 89000708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313381, 626762, 1253524, 1566905, 3133810, 3447191, 6267620, 6894382, 13788764, 17235955, 34471910, 68943820]

約数ペア:

[(1, 68943820), (2, 34471910), (4, 17235955), (5, 13788764), (10, 6894382), (11, 6267620), (20, 3447191), (22, 3133810), (44, 1566905), (55, 1253524), (110, 626762), (220, 313381)]