7928500

素因数分解:

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

素因数の和:277

約数の個数: 48

約数和(自身を含む): 17598672

約数和(自身を除く): 9670172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 157, 202, 250, 314, 404, 500, 505, 628, 785, 1010, 1570, 2020, 2525, 3140, 3925, 5050, 7850, 10100, 12625, 15700, 15857, 19625, 25250, 31714, 39250, 50500, 63428, 78500, 79285, 158570, 317140, 396425, 792850, 1585700, 1982125, 3964250, 7928500]

約数ペア:

[(1, 7928500), (2, 3964250), (4, 1982125), (5, 1585700), (10, 792850), (20, 396425), (25, 317140), (50, 158570), (100, 79285), (101, 78500), (125, 63428), (157, 50500), (202, 39250), (250, 31714), (314, 25250), (404, 19625), (500, 15857), (505, 15700), (628, 12625), (785, 10100), (1010, 7850), (1570, 5050), (2020, 3925), (2525, 3140)]