251000

素因数分解:

$2^3\times 5^3\times {\mathrm{251}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 589680

約数和(自身を除く): 338680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 251, 500, 502, 1000, 1004, 1255, 2008, 2510, 5020, 6275, 10040, 12550, 25100, 31375, 50200, 62750, 125500, 251000]

約数ペア:

[(1, 251000), (2, 125500), (4, 62750), (5, 50200), (8, 31375), (10, 25100), (20, 12550), (25, 10040), (40, 6275), (50, 5020), (100, 2510), (125, 2008), (200, 1255), (250, 1004), (251, 1000), (500, 502)]