208220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 453600

約数和(自身を除く): 245380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 359, 580, 718, 1436, 1795, 3590, 7180, 10411, 20822, 41644, 52055, 104110, 208220]

約数ペア:

[(1, 208220), (2, 104110), (4, 52055), (5, 41644), (10, 20822), (20, 10411), (29, 7180), (58, 3590), (116, 1795), (145, 1436), (290, 718), (359, 580)]