74916790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 80758730

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 109, 130, 170, 218, 221, 311, 442, 545, 622, 1090, 1105, 1417, 1555, 1853, 2210, 2834, 3110, 3706, 4043, 5287, 7085, 8086, 9265, 10574, 14170, 18530, 20215, 24089, 26435, 33899, 40430, 48178, 52870, 67798, 68731, 120445, 137462, 169495, 240890, 338990, 343655, 440687, 576283, 687310, 881374, 1152566, 2203435, 2881415, 4406870, 5762830, 7491679, 14983358, 37458395, 74916790]

約数ペア:

[(1, 74916790), (2, 37458395), (5, 14983358), (10, 7491679), (13, 5762830), (17, 4406870), (26, 2881415), (34, 2203435), (65, 1152566), (85, 881374), (109, 687310), (130, 576283), (170, 440687), (218, 343655), (221, 338990), (311, 240890), (442, 169495), (545, 137462), (622, 120445), (1090, 68731), (1105, 67798), (1417, 52870), (1555, 48178), (1853, 40430), (2210, 33899), (2834, 26435), (3110, 24089), (3706, 20215), (4043, 18530), (5287, 14170), (7085, 10574), (8086, 9265)]