91788340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15991}}^1$

素因数の和:16048

約数の個数: 48

約数和(自身を含む): 225679104

約数和(自身を除く): 133890764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15991, 31982, 63964, 79955, 111937, 159910, 223874, 319820, 447748, 559685, 655631, 1119370, 1311262, 2238740, 2622524, 3278155, 4589417, 6556310, 9178834, 13112620, 18357668, 22947085, 45894170, 91788340]

約数ペア:

[(1, 91788340), (2, 45894170), (4, 22947085), (5, 18357668), (7, 13112620), (10, 9178834), (14, 6556310), (20, 4589417), (28, 3278155), (35, 2622524), (41, 2238740), (70, 1311262), (82, 1119370), (140, 655631), (164, 559685), (205, 447748), (287, 319820), (410, 223874), (574, 159910), (820, 111937), (1148, 79955), (1435, 63964), (2870, 31982), (5740, 15991)]