1960780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 4475520

約数和(自身を除く): 2514740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 79, 85, 146, 158, 170, 292, 316, 340, 365, 395, 730, 790, 1241, 1343, 1460, 1580, 2482, 2686, 4964, 5372, 5767, 6205, 6715, 11534, 12410, 13430, 23068, 24820, 26860, 28835, 57670, 98039, 115340, 196078, 392156, 490195, 980390, 1960780]

約数ペア:

[(1, 1960780), (2, 980390), (4, 490195), (5, 392156), (10, 196078), (17, 115340), (20, 98039), (34, 57670), (68, 28835), (73, 26860), (79, 24820), (85, 23068), (146, 13430), (158, 12410), (170, 11534), (292, 6715), (316, 6205), (340, 5767), (365, 5372), (395, 4964), (730, 2686), (790, 2482), (1241, 1580), (1343, 1460)]