85618820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2161}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 206306688

約数和(自身を除く): 120687868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2161, 2830, 3962, 4322, 5660, 7924, 8644, 9905, 10805, 15127, 19810, 21610, 30254, 39620, 43220, 60508, 75635, 151270, 302540, 611563, 1223126, 2446252, 3057815, 4280941, 6115630, 8561882, 12231260, 17123764, 21404705, 42809410, 85618820]

約数ペア:

[(1, 85618820), (2, 42809410), (4, 21404705), (5, 17123764), (7, 12231260), (10, 8561882), (14, 6115630), (20, 4280941), (28, 3057815), (35, 2446252), (70, 1223126), (140, 611563), (283, 302540), (566, 151270), (1132, 75635), (1415, 60508), (1981, 43220), (2161, 39620), (2830, 30254), (3962, 21610), (4322, 19810), (5660, 15127), (7924, 10805), (8644, 9905)]