3813920

素因数分解:

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

素因数の和:234

約数の個数: 72

約数和(自身を含む): 9954252

約数和(自身を除く): 6140332

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 197, 220, 242, 352, 394, 440, 484, 605, 788, 880, 968, 985, 1210, 1576, 1760, 1936, 1970, 2167, 2420, 3152, 3872, 3940, 4334, 4840, 6304, 7880, 8668, 9680, 10835, 15760, 17336, 19360, 21670, 23837, 31520, 34672, 43340, 47674, 69344, 86680, 95348, 119185, 173360, 190696, 238370, 346720, 381392, 476740, 762784, 953480, 1906960, 3813920]

約数ペア:

[(1, 3813920), (2, 1906960), (4, 953480), (5, 762784), (8, 476740), (10, 381392), (11, 346720), (16, 238370), (20, 190696), (22, 173360), (32, 119185), (40, 95348), (44, 86680), (55, 69344), (80, 47674), (88, 43340), (110, 34672), (121, 31520), (160, 23837), (176, 21670), (197, 19360), (220, 17336), (242, 15760), (352, 10835), (394, 9680), (440, 8668), (484, 7880), (605, 6304), (788, 4840), (880, 4334), (968, 3940), (985, 3872), (1210, 3152), (1576, 2420), (1760, 2167), (1936, 1970)]