3171400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 7493940

約数和(自身を除く): 4322540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 157, 200, 202, 314, 404, 505, 628, 785, 808, 1010, 1256, 1570, 2020, 2525, 3140, 3925, 4040, 5050, 6280, 7850, 10100, 15700, 15857, 20200, 31400, 31714, 63428, 79285, 126856, 158570, 317140, 396425, 634280, 792850, 1585700, 3171400]

約数ペア:

[(1, 3171400), (2, 1585700), (4, 792850), (5, 634280), (8, 396425), (10, 317140), (20, 158570), (25, 126856), (40, 79285), (50, 63428), (100, 31714), (101, 31400), (157, 20200), (200, 15857), (202, 15700), (314, 10100), (404, 7850), (505, 6280), (628, 5050), (785, 4040), (808, 3925), (1010, 3140), (1256, 2525), (1570, 2020)]