3986900

素因数分解:

$2^2\times 5^2\times {\mathrm{39869}}^1$

素因数の和:39883

約数の個数: 18

約数和(自身を含む): 8651790

約数和(自身を除く): 4664890

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 39869, 79738, 159476, 199345, 398690, 797380, 996725, 1993450, 3986900]

約数ペア:

[(1, 3986900), (2, 1993450), (4, 996725), (5, 797380), (10, 398690), (20, 199345), (25, 159476), (50, 79738), (100, 39869)]