201080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 494640

約数和(自身を除く): 293560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457, 914, 1828, 2285, 3656, 4570, 5027, 9140, 10054, 18280, 20108, 25135, 40216, 50270, 100540, 201080]

約数ペア:

[(1, 201080), (2, 100540), (4, 50270), (5, 40216), (8, 25135), (10, 20108), (11, 18280), (20, 10054), (22, 9140), (40, 5027), (44, 4570), (55, 3656), (88, 2285), (110, 1828), (220, 914), (440, 457)]