2911240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 6646680

約数和(自身を除く): 3735440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 997, 1460, 1994, 2920, 3988, 4985, 7976, 9970, 19940, 39880, 72781, 145562, 291124, 363905, 582248, 727810, 1455620, 2911240]

約数ペア:

[(1, 2911240), (2, 1455620), (4, 727810), (5, 582248), (8, 363905), (10, 291124), (20, 145562), (40, 72781), (73, 39880), (146, 19940), (292, 9970), (365, 7976), (584, 4985), (730, 3988), (997, 2920), (1460, 1994)]