222499780

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{5009}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 467553240

約数和(自身を除く): 245053460

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4442, 5009, 8884, 10018, 11105, 20036, 22210, 25045, 44420, 50090, 100180, 11124989, 22249978, 44499956, 55624945, 111249890, 222499780]

約数ペア:

[(1, 222499780), (2, 111249890), (4, 55624945), (5, 44499956), (10, 22249978), (20, 11124989), (2221, 100180), (4442, 50090), (5009, 44420), (8884, 25045), (10018, 22210), (11105, 20036)]