199808620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908221}}^1$

素因数の和:908241

約数の個数: 24

約数和(自身を含む): 457743888

約数和(自身を除く): 257935268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 908221, 1816442, 3632884, 4541105, 9082210, 9990431, 18164420, 19980862, 39961724, 49952155, 99904310, 199808620]

約数ペア:

[(1, 199808620), (2, 99904310), (4, 49952155), (5, 39961724), (10, 19980862), (11, 18164420), (20, 9990431), (22, 9082210), (44, 4541105), (55, 3632884), (110, 1816442), (220, 908221)]