285530680

素因数分解:

$2^3\times 5^1\times {\mathrm{2237}}^1\times {\mathrm{3191}}^1$

素因数の和:5439

約数の個数: 32

約数和(自身を含む): 642932640

約数和(自身を除く): 357401960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2237, 3191, 4474, 6382, 8948, 11185, 12764, 15955, 17896, 22370, 25528, 31910, 44740, 63820, 89480, 127640, 7138267, 14276534, 28553068, 35691335, 57106136, 71382670, 142765340, 285530680]

約数ペア:

[(1, 285530680), (2, 142765340), (4, 71382670), (5, 57106136), (8, 35691335), (10, 28553068), (20, 14276534), (40, 7138267), (2237, 127640), (3191, 89480), (4474, 63820), (6382, 44740), (8948, 31910), (11185, 25528), (12764, 22370), (15955, 17896)]