290773040

素因数分解:

$2^4\times 5^1\times {\mathrm{3634663}}^1$

素因数の和:3634676

約数の個数: 20

約数和(自身を含む): 676047504

約数和(自身を除く): 385274464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3634663, 7269326, 14538652, 18173315, 29077304, 36346630, 58154608, 72693260, 145386520, 290773040]

約数ペア:

[(1, 290773040), (2, 145386520), (4, 72693260), (5, 58154608), (8, 36346630), (10, 29077304), (16, 18173315), (20, 14538652), (40, 7269326), (80, 3634663)]