222580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 483840

約数和(自身を除く): 261260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 359, 620, 718, 1436, 1795, 3590, 7180, 11129, 22258, 44516, 55645, 111290, 222580]

約数ペア:

[(1, 222580), (2, 111290), (4, 55645), (5, 44516), (10, 22258), (20, 11129), (31, 7180), (62, 3590), (124, 1795), (155, 1436), (310, 718), (359, 620)]