199610620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907321}}^1$

素因数の和:907341

約数の個数: 24

約数和(自身を含む): 457290288

約数和(自身を除く): 257679668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 907321, 1814642, 3629284, 4536605, 9073210, 9980531, 18146420, 19961062, 39922124, 49902655, 99805310, 199610620]

約数ペア:

[(1, 199610620), (2, 99805310), (4, 49902655), (5, 39922124), (10, 19961062), (11, 18146420), (20, 9980531), (22, 9073210), (44, 4536605), (55, 3629284), (110, 1814642), (220, 907321)]