2983640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6781}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 7324560

約数和(自身を除く): 4340920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6781, 13562, 27124, 33905, 54248, 67810, 74591, 135620, 149182, 271240, 298364, 372955, 596728, 745910, 1491820, 2983640]

約数ペア:

[(1, 2983640), (2, 1491820), (4, 745910), (5, 596728), (8, 372955), (10, 298364), (11, 271240), (20, 149182), (22, 135620), (40, 74591), (44, 67810), (55, 54248), (88, 33905), (110, 27124), (220, 13562), (440, 6781)]