8685800

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 20406060

約数和(自身を除く): 11720260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 317, 548, 634, 685, 1096, 1268, 1370, 1585, 2536, 2740, 3170, 3425, 5480, 6340, 6850, 7925, 12680, 13700, 15850, 27400, 31700, 43429, 63400, 86858, 173716, 217145, 347432, 434290, 868580, 1085725, 1737160, 2171450, 4342900, 8685800]

約数ペア:

[(1, 8685800), (2, 4342900), (4, 2171450), (5, 1737160), (8, 1085725), (10, 868580), (20, 434290), (25, 347432), (40, 217145), (50, 173716), (100, 86858), (137, 63400), (200, 43429), (274, 31700), (317, 27400), (548, 15850), (634, 13700), (685, 12680), (1096, 7925), (1268, 6850), (1370, 6340), (1585, 5480), (2536, 3425), (2740, 3170)]