2197400

素因数分解:

$2^3\times 5^2\times {\mathrm{10987}}^1$

素因数の和:11003

約数の個数: 24

約数和(自身を含む): 5109420

約数和(自身を除く): 2912020

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10987, 21974, 43948, 54935, 87896, 109870, 219740, 274675, 439480, 549350, 1098700, 2197400]

約数ペア:

[(1, 2197400), (2, 1098700), (4, 549350), (5, 439480), (8, 274675), (10, 219740), (20, 109870), (25, 87896), (40, 54935), (50, 43948), (100, 21974), (200, 10987)]