209277620

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{54217}}^1$

素因数の和:54419

約数の個数: 24

約数和(自身を含む): 441768264

約数和(自身を除く): 232490644

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 54217, 108434, 216868, 271085, 542170, 1084340, 10463881, 20927762, 41855524, 52319405, 104638810, 209277620]

約数ペア:

[(1, 209277620), (2, 104638810), (4, 52319405), (5, 41855524), (10, 20927762), (20, 10463881), (193, 1084340), (386, 542170), (772, 271085), (965, 216868), (1930, 108434), (3860, 54217)]