199049180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{904769}}^1$

素因数の和:904789

約数の個数: 24

約数和(自身を含む): 456004080

約数和(自身を除く): 256954900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 904769, 1809538, 3619076, 4523845, 9047690, 9952459, 18095380, 19904918, 39809836, 49762295, 99524590, 199049180]

約数ペア:

[(1, 199049180), (2, 99524590), (4, 49762295), (5, 39809836), (10, 19904918), (11, 18095380), (20, 9952459), (22, 9047690), (44, 4523845), (55, 3619076), (110, 1809538), (220, 904769)]