626625820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{323003}}^1$

素因数の和:323109

約数の個数: 24

約数和(自身を含む): 1329484464

約数和(自身を除く): 702858644

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 323003, 646006, 1292012, 1615015, 3230030, 6460060, 31331291, 62662582, 125325164, 156656455, 313312910, 626625820]

約数ペア:

[(1, 626625820), (2, 313312910), (4, 156656455), (5, 125325164), (10, 62662582), (20, 31331291), (97, 6460060), (194, 3230030), (388, 1615015), (485, 1292012), (970, 646006), (1940, 323003)]