636587740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{9277}}^1$

素因数の和:9406

約数の個数: 48

約数和(自身を含む): 1384129152

約数和(自身を除く): 747541412

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 365, 470, 730, 940, 1460, 3431, 6862, 9277, 13724, 17155, 18554, 34310, 37108, 46385, 68620, 92770, 185540, 436019, 677221, 872038, 1354442, 1744076, 2180095, 2708884, 3386105, 4360190, 6772210, 8720380, 13544420, 31829387, 63658774, 127317548, 159146935, 318293870, 636587740]

約数ペア:

[(1, 636587740), (2, 318293870), (4, 159146935), (5, 127317548), (10, 63658774), (20, 31829387), (47, 13544420), (73, 8720380), (94, 6772210), (146, 4360190), (188, 3386105), (235, 2708884), (292, 2180095), (365, 1744076), (470, 1354442), (730, 872038), (940, 677221), (1460, 436019), (3431, 185540), (6862, 92770), (9277, 68620), (13724, 46385), (17155, 37108), (18554, 34310)]