208736900

素因数分解:

$2^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{5981}}^1$

素因数の和:6344

約数の個数: 36

約数和(自身を含む): 454332900

約数和(自身を除く): 245596000

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 349, 698, 1396, 1745, 3490, 5981, 6980, 8725, 11962, 17450, 23924, 29905, 34900, 59810, 119620, 149525, 299050, 598100, 2087369, 4174738, 8349476, 10436845, 20873690, 41747380, 52184225, 104368450, 208736900]

約数ペア:

[(1, 208736900), (2, 104368450), (4, 52184225), (5, 41747380), (10, 20873690), (20, 10436845), (25, 8349476), (50, 4174738), (100, 2087369), (349, 598100), (698, 299050), (1396, 149525), (1745, 119620), (3490, 59810), (5981, 34900), (6980, 29905), (8725, 23924), (11962, 17450)]