199078910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{686479}}^1$

素因数の和:686515

約数の個数: 16

約数和(自身を含む): 370699200

約数和(自身を除く): 171620290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 686479, 1372958, 3432395, 6864790, 19907891, 39815782, 99539455, 199078910]

約数ペア:

[(1, 199078910), (2, 99539455), (5, 39815782), (10, 19907891), (29, 6864790), (58, 3432395), (145, 1372958), (290, 686479)]