9953800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 23363460

約数和(自身を除く): 13409660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 317, 628, 634, 785, 1256, 1268, 1570, 1585, 2536, 3140, 3170, 3925, 6280, 6340, 7850, 7925, 12680, 15700, 15850, 31400, 31700, 49769, 63400, 99538, 199076, 248845, 398152, 497690, 995380, 1244225, 1990760, 2488450, 4976900, 9953800]

約数ペア:

[(1, 9953800), (2, 4976900), (4, 2488450), (5, 1990760), (8, 1244225), (10, 995380), (20, 497690), (25, 398152), (40, 248845), (50, 199076), (100, 99538), (157, 63400), (200, 49769), (314, 31700), (317, 31400), (628, 15850), (634, 15700), (785, 12680), (1256, 7925), (1268, 7850), (1570, 6340), (1585, 6280), (2536, 3925), (3140, 3170)]