189800540

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{23203}}^1$

素因数の和:23621

約数の個数: 24

約数和(自身を含む): 399572880

約数和(自身を除く): 209772340

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 23203, 46406, 92812, 116015, 232030, 464060, 9490027, 18980054, 37960108, 47450135, 94900270, 189800540]

約数ペア:

[(1, 189800540), (2, 94900270), (4, 47450135), (5, 37960108), (10, 18980054), (20, 9490027), (409, 464060), (818, 232030), (1636, 116015), (2045, 92812), (4090, 46406), (8180, 23203)]