259890370

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{189701}}^1$

素因数の和:189845

約数の個数: 16

約数和(自身を含む): 471219768

約数和(自身を除く): 211329398

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 189701, 379402, 948505, 1897010, 25989037, 51978074, 129945185, 259890370]

約数ペア:

[(1, 259890370), (2, 129945185), (5, 51978074), (10, 25989037), (137, 1897010), (274, 948505), (685, 379402), (1370, 189701)]