199944100

素因数分解:

$2^2\times 5^2\times {\mathrm{1999441}}^1$

素因数の和:1999455

約数の個数: 18

約数和(自身を含む): 433878914

約数和(自身を除く): 233934814

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1999441, 3998882, 7997764, 9997205, 19994410, 39988820, 49986025, 99972050, 199944100]

約数ペア:

[(1, 199944100), (2, 99972050), (4, 49986025), (5, 39988820), (10, 19994410), (20, 9997205), (25, 7997764), (50, 3998882), (100, 1999441)]