30731140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3407}}^1$

素因数の和:3468

約数の個数: 48

約数和(自身を含む): 72140544

約数和(自身を除く): 41409404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3407, 4510, 6814, 9020, 13628, 17035, 34070, 37477, 68140, 74954, 139687, 149908, 187385, 279374, 374770, 558748, 698435, 749540, 1396870, 1536557, 2793740, 3073114, 6146228, 7682785, 15365570, 30731140]

約数ペア:

[(1, 30731140), (2, 15365570), (4, 7682785), (5, 6146228), (10, 3073114), (11, 2793740), (20, 1536557), (22, 1396870), (41, 749540), (44, 698435), (55, 558748), (82, 374770), (110, 279374), (164, 187385), (205, 149908), (220, 139687), (410, 74954), (451, 68140), (820, 37477), (902, 34070), (1804, 17035), (2255, 13628), (3407, 9020), (4510, 6814)]