199445900

素因数分解:

$2^2\times 5^2\times {\mathrm{1994459}}^1$

素因数の和:1994473

約数の個数: 18

約数和(自身を含む): 432797820

約数和(自身を除く): 233351920

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1994459, 3988918, 7977836, 9972295, 19944590, 39889180, 49861475, 99722950, 199445900]

約数ペア:

[(1, 199445900), (2, 99722950), (4, 49861475), (5, 39889180), (10, 19944590), (20, 9972295), (25, 7977836), (50, 3988918), (100, 1994459)]