2171450

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:466

約数の個数: 24

約数和(自身を含む): 4081212

約数和(自身を除く): 1909762

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 317, 634, 685, 1370, 1585, 3170, 3425, 6850, 7925, 15850, 43429, 86858, 217145, 434290, 1085725, 2171450]

約数ペア:

[(1, 2171450), (2, 1085725), (5, 434290), (10, 217145), (25, 86858), (50, 43429), (137, 15850), (274, 7925), (317, 6850), (634, 3425), (685, 3170), (1370, 1585)]