1995620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 4693248

約数和(自身を除く): 2697628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 193, 220, 235, 386, 470, 517, 772, 940, 965, 1034, 1930, 2068, 2123, 2585, 3860, 4246, 5170, 8492, 9071, 10340, 10615, 18142, 21230, 36284, 42460, 45355, 90710, 99781, 181420, 199562, 399124, 498905, 997810, 1995620]

約数ペア:

[(1, 1995620), (2, 997810), (4, 498905), (5, 399124), (10, 199562), (11, 181420), (20, 99781), (22, 90710), (44, 45355), (47, 42460), (55, 36284), (94, 21230), (110, 18142), (188, 10615), (193, 10340), (220, 9071), (235, 8492), (386, 5170), (470, 4246), (517, 3860), (772, 2585), (940, 2123), (965, 2068), (1034, 1930)]