123631640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9689}}^1$

素因数の和:9740

約数の個数: 64

約数和(自身を含む): 313956000

約数和(自身を除く): 190324360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 9689, 12760, 19378, 38756, 48445, 77512, 96890, 106579, 193780, 213158, 280981, 387560, 426316, 532895, 561962, 852632, 1065790, 1123924, 1404905, 2131580, 2247848, 2809810, 3090791, 4263160, 5619620, 6181582, 11239240, 12363164, 15453955, 24726328, 30907910, 61815820, 123631640]

約数ペア:

[(1, 123631640), (2, 61815820), (4, 30907910), (5, 24726328), (8, 15453955), (10, 12363164), (11, 11239240), (20, 6181582), (22, 5619620), (29, 4263160), (40, 3090791), (44, 2809810), (55, 2247848), (58, 2131580), (88, 1404905), (110, 1123924), (116, 1065790), (145, 852632), (220, 561962), (232, 532895), (290, 426316), (319, 387560), (440, 280981), (580, 213158), (638, 193780), (1160, 106579), (1276, 96890), (1595, 77512), (2552, 48445), (3190, 38756), (6380, 19378), (9689, 12760)]