997400

素因数分解:

$2^3\times 5^2\times {\mathrm{4987}}^1$

素因数の和:5003

約数の個数: 24

約数和(自身を含む): 2319420

約数和(自身を除く): 1322020

約数列:

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

約数ペア:

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