12292940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 28594944

約数和(自身を除く): 16302004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 787, 1420, 1562, 1574, 3124, 3148, 3905, 3935, 7810, 7870, 8657, 15620, 15740, 17314, 34628, 43285, 55877, 86570, 111754, 173140, 223508, 279385, 558770, 614647, 1117540, 1229294, 2458588, 3073235, 6146470, 12292940]

約数ペア:

[(1, 12292940), (2, 6146470), (4, 3073235), (5, 2458588), (10, 1229294), (11, 1117540), (20, 614647), (22, 558770), (44, 279385), (55, 223508), (71, 173140), (110, 111754), (142, 86570), (220, 55877), (284, 43285), (355, 34628), (710, 17314), (781, 15740), (787, 15620), (1420, 8657), (1562, 7870), (1574, 7810), (3124, 3935), (3148, 3905)]