289997180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1318169}}^1$

素因数の和:1318189

約数の個数: 24

約数和(自身を含む): 664357680

約数和(自身を除く): 374360500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1318169, 2636338, 5272676, 6590845, 13181690, 14499859, 26363380, 28999718, 57999436, 72499295, 144998590, 289997180]

約数ペア:

[(1, 289997180), (2, 144998590), (4, 72499295), (5, 57999436), (10, 28999718), (11, 26363380), (20, 14499859), (22, 13181690), (44, 6590845), (55, 5272676), (110, 2636338), (220, 1318169)]