208310220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1157279}}^1$

素因数の和:1157294

約数の個数: 36

約数和(自身を含む): 631874880

約数和(自身を除く): 423564660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1157279, 2314558, 3471837, 4629116, 5786395, 6943674, 10415511, 11572790, 13887348, 17359185, 20831022, 23145580, 34718370, 41662044, 52077555, 69436740, 104155110, 208310220]

約数ペア:

[(1, 208310220), (2, 104155110), (3, 69436740), (4, 52077555), (5, 41662044), (6, 34718370), (9, 23145580), (10, 20831022), (12, 17359185), (15, 13887348), (18, 11572790), (20, 10415511), (30, 6943674), (36, 5786395), (45, 4629116), (60, 3471837), (90, 2314558), (180, 1157279)]