218418310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{180511}}^1$

素因数の和:180540

約数の個数: 24

約数和(自身を含む): 432145728

約数和(自身を除く): 213727418

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 180511, 361022, 902555, 1805110, 1985621, 3971242, 9928105, 19856210, 21841831, 43683662, 109209155, 218418310]

約数ペア:

[(1, 218418310), (2, 109209155), (5, 43683662), (10, 21841831), (11, 19856210), (22, 9928105), (55, 3971242), (110, 1985621), (121, 1805110), (242, 902555), (605, 361022), (1210, 180511)]