90205784

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 92271016

約数列:

[1, 2, 4, 8, 31, 47, 62, 71, 94, 109, 124, 142, 188, 218, 248, 284, 376, 436, 568, 872, 1457, 2201, 2914, 3337, 3379, 4402, 5123, 5828, 6674, 6758, 7739, 8804, 10246, 11656, 13348, 13516, 15478, 17608, 20492, 26696, 27032, 30956, 40984, 61912, 103447, 158813, 206894, 239909, 317626, 363733, 413788, 479818, 635252, 727466, 827576, 959636, 1270504, 1454932, 1919272, 2909864, 11275723, 22551446, 45102892, 90205784]

約数ペア:

[(1, 90205784), (2, 45102892), (4, 22551446), (8, 11275723), (31, 2909864), (47, 1919272), (62, 1454932), (71, 1270504), (94, 959636), (109, 827576), (124, 727466), (142, 635252), (188, 479818), (218, 413788), (248, 363733), (284, 317626), (376, 239909), (436, 206894), (568, 158813), (872, 103447), (1457, 61912), (2201, 40984), (2914, 30956), (3337, 27032), (3379, 26696), (4402, 20492), (5123, 17608), (5828, 15478), (6674, 13516), (6758, 13348), (7739, 11656), (8804, 10246)]