218799740

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{34511}}^1$

素因数の和:34837

約数の個数: 24

約数和(自身を含む): 460942272

約数和(自身を除く): 242142532

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 34511, 69022, 138044, 172555, 345110, 690220, 10939987, 21879974, 43759948, 54699935, 109399870, 218799740]

約数ペア:

[(1, 218799740), (2, 109399870), (4, 54699935), (5, 43759948), (10, 21879974), (20, 10939987), (317, 690220), (634, 345110), (1268, 172555), (1585, 138044), (3170, 69022), (6340, 34511)]