1994800

素因数分解:

$2^4\times 5^2\times {\mathrm{4987}}^1$

素因数の和:5005

約数の個数: 30

約数和(自身を含む): 4793468

約数和(自身を除く): 2798668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4987, 9974, 19948, 24935, 39896, 49870, 79792, 99740, 124675, 199480, 249350, 398960, 498700, 997400, 1994800]

約数ペア:

[(1, 1994800), (2, 997400), (4, 498700), (5, 398960), (8, 249350), (10, 199480), (16, 124675), (20, 99740), (25, 79792), (40, 49870), (50, 39896), (80, 24935), (100, 19948), (200, 9974), (400, 4987)]