222720380

素因数分解:

$2^2\times 5^1\times {\mathrm{11136019}}^1$

素因数の和:11136028

約数の個数: 12

約数和(自身を含む): 467712840

約数和(自身を除く): 244992460

約数列:

[1, 2, 4, 5, 10, 20, 11136019, 22272038, 44544076, 55680095, 111360190, 222720380]

約数ペア:

[(1, 222720380), (2, 111360190), (4, 55680095), (5, 44544076), (10, 22272038), (20, 11136019)]