628430020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{323933}}^1$

素因数の和:324039

約数の個数: 24

約数和(自身を含む): 1333312344

約数和(自身を除く): 704882324

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 323933, 647866, 1295732, 1619665, 3239330, 6478660, 31421501, 62843002, 125686004, 157107505, 314215010, 628430020]

約数ペア:

[(1, 628430020), (2, 314215010), (4, 157107505), (5, 125686004), (10, 62843002), (20, 31421501), (97, 6478660), (194, 3239330), (388, 1619665), (485, 1295732), (970, 647866), (1940, 323933)]