31267940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 72019584

約数和(自身を除く): 40751644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 457, 622, 914, 1244, 1555, 1828, 2285, 3110, 3421, 4570, 5027, 6220, 6842, 9140, 10054, 13684, 17105, 20108, 25135, 34210, 50270, 68420, 100540, 142127, 284254, 568508, 710635, 1421270, 1563397, 2842540, 3126794, 6253588, 7816985, 15633970, 31267940]

約数ペア:

[(1, 31267940), (2, 15633970), (4, 7816985), (5, 6253588), (10, 3126794), (11, 2842540), (20, 1563397), (22, 1421270), (44, 710635), (55, 568508), (110, 284254), (220, 142127), (311, 100540), (457, 68420), (622, 50270), (914, 34210), (1244, 25135), (1555, 20108), (1828, 17105), (2285, 13684), (3110, 10054), (3421, 9140), (4570, 6842), (5027, 6220)]