4989100

素因数分解:

$2^2\times 5^2\times {\mathrm{49891}}^1$

素因数の和:49905

約数の個数: 18

約数和(自身を含む): 10826564

約数和(自身を除く): 5837464

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 49891, 99782, 199564, 249455, 498910, 997820, 1247275, 2494550, 4989100]

約数ペア:

[(1, 4989100), (2, 2494550), (4, 1247275), (5, 997820), (10, 498910), (20, 249455), (25, 199564), (50, 99782), (100, 49891)]