1979000

素因数分解:

$2^3\times 5^3\times {\mathrm{1979}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 4633200

約数和(自身を除く): 2654200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1979, 3958, 7916, 9895, 15832, 19790, 39580, 49475, 79160, 98950, 197900, 247375, 395800, 494750, 989500, 1979000]

約数ペア:

[(1, 1979000), (2, 989500), (4, 494750), (5, 395800), (8, 247375), (10, 197900), (20, 98950), (25, 79160), (40, 49475), (50, 39580), (100, 19790), (125, 15832), (200, 9895), (250, 7916), (500, 3958), (1000, 1979)]