209955280

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{5479}}^1$

素因数の和:5971

約数の個数: 40

約数和(自身を含む): 489254400

約数和(自身を除く): 279299120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2395, 3832, 4790, 5479, 7664, 9580, 10958, 19160, 21916, 27395, 38320, 43832, 54790, 87664, 109580, 219160, 438320, 2624441, 5248882, 10497764, 13122205, 20995528, 26244410, 41991056, 52488820, 104977640, 209955280]

約数ペア:

[(1, 209955280), (2, 104977640), (4, 52488820), (5, 41991056), (8, 26244410), (10, 20995528), (16, 13122205), (20, 10497764), (40, 5248882), (80, 2624441), (479, 438320), (958, 219160), (1916, 109580), (2395, 87664), (3832, 54790), (4790, 43832), (5479, 38320), (7664, 27395), (9580, 21916), (10958, 19160)]