209112910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{721079}}^1$

素因数の和:721115

約数の個数: 16

約数和(自身を含む): 389383200

約数和(自身を除く): 180270290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 721079, 1442158, 3605395, 7210790, 20911291, 41822582, 104556455, 209112910]

約数ペア:

[(1, 209112910), (2, 104556455), (5, 41822582), (10, 20911291), (29, 7210790), (58, 3605395), (145, 1442158), (290, 721079)]