155188660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{705403}}^1$

素因数の和:705423

約数の個数: 24

約数和(自身を含む): 355523616

約数和(自身を除く): 200334956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 705403, 1410806, 2821612, 3527015, 7054030, 7759433, 14108060, 15518866, 31037732, 38797165, 77594330, 155188660]

約数ペア:

[(1, 155188660), (2, 77594330), (4, 38797165), (5, 31037732), (10, 15518866), (11, 14108060), (20, 7759433), (22, 7054030), (44, 3527015), (55, 2821612), (110, 1410806), (220, 705403)]