209217310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{721439}}^1$

素因数の和:721475

約数の個数: 16

約数和(自身を含む): 389577600

約数和(自身を除く): 180360290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 721439, 1442878, 3607195, 7214390, 20921731, 41843462, 104608655, 209217310]

約数ペア:

[(1, 209217310), (2, 104608655), (5, 41843462), (10, 20921731), (29, 7214390), (58, 3607195), (145, 1442878), (290, 721439)]