90400552

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 190370880

約数和(自身を除く): 99970328

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 484, 517, 968, 1034, 1987, 2068, 3974, 4136, 5687, 7948, 11374, 15896, 21857, 22748, 43714, 45496, 87428, 93389, 174856, 186778, 240427, 373556, 480854, 747112, 961708, 1027279, 1923416, 2054558, 4109116, 8218232, 11300069, 22600138, 45200276, 90400552]

約数ペア:

[(1, 90400552), (2, 45200276), (4, 22600138), (8, 11300069), (11, 8218232), (22, 4109116), (44, 2054558), (47, 1923416), (88, 1027279), (94, 961708), (121, 747112), (188, 480854), (242, 373556), (376, 240427), (484, 186778), (517, 174856), (968, 93389), (1034, 87428), (1987, 45496), (2068, 43714), (3974, 22748), (4136, 21857), (5687, 15896), (7948, 11374)]