747058.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 9661680

約数和(自身を除く): 5449240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1987, 2120, 3974, 7948, 9935, 15896, 19870, 39740, 79480, 105311, 210622, 421244, 526555, 842488, 1053110, 2106220, 4212440]

約数ペア:

[(1, 4212440), (2, 2106220), (4, 1053110), (5, 842488), (8, 526555), (10, 421244), (20, 210622), (40, 105311), (53, 79480), (106, 39740), (212, 19870), (265, 15896), (424, 9935), (530, 7948), (1060, 3974), (1987, 2120)]