3921885220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251081}}^1$

素因数の和:251172

約数の個数: 48

約数和(自身を含む): 9111263616

約数和(自身を除く): 5189378396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 251081, 502162, 1004324, 1255405, 2510810, 2761891, 5021620, 5523782, 11047564, 13809455, 17826751, 27618910, 35653502, 55237820, 71307004, 89133755, 178267510, 196094261, 356535020, 392188522, 784377044, 980471305, 1960942610, 3921885220]

約数ペア:

[(1, 3921885220), (2, 1960942610), (4, 980471305), (5, 784377044), (10, 392188522), (11, 356535020), (20, 196094261), (22, 178267510), (44, 89133755), (55, 71307004), (71, 55237820), (110, 35653502), (142, 27618910), (220, 17826751), (284, 13809455), (355, 11047564), (710, 5523782), (781, 5021620), (1420, 2761891), (1562, 2510810), (3124, 1255405), (3905, 1004324), (7810, 502162), (15620, 251081)]