4857820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 11321856

約数和(自身を除く): 6464036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 311, 355, 622, 710, 781, 1244, 1420, 1555, 1562, 3110, 3124, 3421, 3905, 6220, 6842, 7810, 13684, 15620, 17105, 22081, 34210, 44162, 68420, 88324, 110405, 220810, 242891, 441620, 485782, 971564, 1214455, 2428910, 4857820]

約数ペア:

[(1, 4857820), (2, 2428910), (4, 1214455), (5, 971564), (10, 485782), (11, 441620), (20, 242891), (22, 220810), (44, 110405), (55, 88324), (71, 68420), (110, 44162), (142, 34210), (220, 22081), (284, 17105), (311, 15620), (355, 13684), (622, 7810), (710, 6842), (781, 6220), (1244, 3905), (1420, 3421), (1555, 3124), (1562, 3110)]