84166280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 207852480

約数和(自身を除く): 123686200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 971, 985, 1576, 1942, 1970, 2167, 3884, 3940, 4334, 4855, 7768, 7880, 8668, 9710, 10681, 10835, 17336, 19420, 21362, 21670, 38840, 42724, 43340, 53405, 85448, 86680, 106810, 191287, 213620, 382574, 427240, 765148, 956435, 1530296, 1912870, 2104157, 3825740, 4208314, 7651480, 8416628, 10520785, 16833256, 21041570, 42083140, 84166280]

約数ペア:

[(1, 84166280), (2, 42083140), (4, 21041570), (5, 16833256), (8, 10520785), (10, 8416628), (11, 7651480), (20, 4208314), (22, 3825740), (40, 2104157), (44, 1912870), (55, 1530296), (88, 956435), (110, 765148), (197, 427240), (220, 382574), (394, 213620), (440, 191287), (788, 106810), (971, 86680), (985, 85448), (1576, 53405), (1942, 43340), (1970, 42724), (2167, 38840), (3884, 21670), (3940, 21362), (4334, 19420), (4855, 17336), (7768, 10835), (7880, 10681), (8668, 9710)]