1205364820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2821

約数の個数: 96

約数和(自身を含む): 2886782976

約数和(自身を除く): 1681418156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 47, 55, 86, 94, 110, 172, 188, 215, 220, 235, 430, 470, 473, 517, 860, 940, 946, 1034, 1892, 2021, 2068, 2365, 2585, 2711, 4042, 4730, 5170, 5422, 8084, 9460, 10105, 10340, 10844, 13555, 20210, 22231, 27110, 29821, 40420, 44462, 54220, 59642, 88924, 111155, 116573, 119284, 127417, 149105, 222310, 233146, 254834, 298210, 444620, 466292, 509668, 582865, 596420, 637085, 1165730, 1274170, 1282303, 1401587, 2331460, 2548340, 2564606, 2803174, 5129212, 5478931, 5606348, 6411515, 7007935, 10957862, 12823030, 14015870, 21915724, 25646060, 27394655, 28031740, 54789310, 60268241, 109578620, 120536482, 241072964, 301341205, 602682410, 1205364820]

約数ペア:

[(1, 1205364820), (2, 602682410), (4, 301341205), (5, 241072964), (10, 120536482), (11, 109578620), (20, 60268241), (22, 54789310), (43, 28031740), (44, 27394655), (47, 25646060), (55, 21915724), (86, 14015870), (94, 12823030), (110, 10957862), (172, 7007935), (188, 6411515), (215, 5606348), (220, 5478931), (235, 5129212), (430, 2803174), (470, 2564606), (473, 2548340), (517, 2331460), (860, 1401587), (940, 1282303), (946, 1274170), (1034, 1165730), (1892, 637085), (2021, 596420), (2068, 582865), (2365, 509668), (2585, 466292), (2711, 444620), (4042, 298210), (4730, 254834), (5170, 233146), (5422, 222310), (8084, 149105), (9460, 127417), (10105, 119284), (10340, 116573), (10844, 111155), (13555, 88924), (20210, 59642), (22231, 54220), (27110, 44462), (29821, 40420)]