3575540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 7956480

約数和(自身を除く): 4380940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 79, 124, 146, 155, 158, 292, 310, 316, 365, 395, 620, 730, 790, 1460, 1580, 2263, 2449, 4526, 4898, 5767, 9052, 9796, 11315, 11534, 12245, 22630, 23068, 24490, 28835, 45260, 48980, 57670, 115340, 178777, 357554, 715108, 893885, 1787770, 3575540]

約数ペア:

[(1, 3575540), (2, 1787770), (4, 893885), (5, 715108), (10, 357554), (20, 178777), (31, 115340), (62, 57670), (73, 48980), (79, 45260), (124, 28835), (146, 24490), (155, 23068), (158, 22630), (292, 12245), (310, 11534), (316, 11315), (365, 9796), (395, 9052), (620, 5767), (730, 4898), (790, 4526), (1460, 2449), (1580, 2263)]