189171340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{97511}}^1$

素因数の和:97617

約数の個数: 24

約数和(自身を含む): 401359392

約数和(自身を除く): 212188052

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 97511, 195022, 390044, 487555, 975110, 1950220, 9458567, 18917134, 37834268, 47292835, 94585670, 189171340]

約数ペア:

[(1, 189171340), (2, 94585670), (4, 47292835), (5, 37834268), (10, 18917134), (20, 9458567), (97, 1950220), (194, 975110), (388, 487555), (485, 390044), (970, 195022), (1940, 97511)]