222418660

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{27733}}^1$

素因数の和:28143

約数の個数: 24

約数和(自身を含む): 468260856

約数和(自身を除く): 245842196

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 27733, 55466, 110932, 138665, 277330, 554660, 11120933, 22241866, 44483732, 55604665, 111209330, 222418660]

約数ペア:

[(1, 222418660), (2, 111209330), (4, 55604665), (5, 44483732), (10, 22241866), (20, 11120933), (401, 554660), (802, 277330), (1604, 138665), (2005, 110932), (4010, 55466), (8020, 27733)]