31135940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 71717184

約数和(自身を除く): 40581244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 461, 614, 922, 1228, 1535, 1844, 2305, 3070, 3377, 4610, 5071, 6140, 6754, 9220, 10142, 13508, 16885, 20284, 25355, 33770, 50710, 67540, 101420, 141527, 283054, 566108, 707635, 1415270, 1556797, 2830540, 3113594, 6227188, 7783985, 15567970, 31135940]

約数ペア:

[(1, 31135940), (2, 15567970), (4, 7783985), (5, 6227188), (10, 3113594), (11, 2830540), (20, 1556797), (22, 1415270), (44, 707635), (55, 566108), (110, 283054), (220, 141527), (307, 101420), (461, 67540), (614, 50710), (922, 33770), (1228, 25355), (1535, 20284), (1844, 16885), (2305, 13508), (3070, 10142), (3377, 9220), (4610, 6754), (5071, 6140)]