982000

素因数分解:

$2^4\times 5^3\times {\mathrm{491}}^1$

素因数の和:514

約数の個数: 40

約数和(自身を含む): 2379312

約数和(自身を除く): 1397312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 491, 500, 982, 1000, 1964, 2000, 2455, 3928, 4910, 7856, 9820, 12275, 19640, 24550, 39280, 49100, 61375, 98200, 122750, 196400, 245500, 491000, 982000]

約数ペア:

[(1, 982000), (2, 491000), (4, 245500), (5, 196400), (8, 122750), (10, 98200), (16, 61375), (20, 49100), (25, 39280), (40, 24550), (50, 19640), (80, 12275), (100, 9820), (125, 7856), (200, 4910), (250, 3928), (400, 2455), (491, 2000), (500, 1964), (982, 1000)]