206988760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{470429}}^1$

素因数の和:470451

約数の個数: 32

約数和(自身を含む): 508064400

約数和(自身を除く): 301075640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 470429, 940858, 1881716, 2352145, 3763432, 4704290, 5174719, 9408580, 10349438, 18817160, 20698876, 25873595, 41397752, 51747190, 103494380, 206988760]

約数ペア:

[(1, 206988760), (2, 103494380), (4, 51747190), (5, 41397752), (8, 25873595), (10, 20698876), (11, 18817160), (20, 10349438), (22, 9408580), (40, 5174719), (44, 4704290), (55, 3763432), (88, 2352145), (110, 1881716), (220, 940858), (440, 470429)]