208996810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1639

約数の個数: 64

約数和(自身を含む): 440774784

約数和(自身を除く): 231777974

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 73, 85, 110, 146, 170, 187, 365, 374, 730, 803, 935, 1241, 1531, 1606, 1870, 2482, 3062, 4015, 6205, 7655, 8030, 12410, 13651, 15310, 16841, 26027, 27302, 33682, 52054, 68255, 84205, 111763, 130135, 136510, 168410, 223526, 260270, 286297, 558815, 572594, 1117630, 1229393, 1431485, 1899971, 2458786, 2862970, 3799942, 6146965, 9499855, 12293930, 18999710, 20899681, 41799362, 104498405, 208996810]

約数ペア:

[(1, 208996810), (2, 104498405), (5, 41799362), (10, 20899681), (11, 18999710), (17, 12293930), (22, 9499855), (34, 6146965), (55, 3799942), (73, 2862970), (85, 2458786), (110, 1899971), (146, 1431485), (170, 1229393), (187, 1117630), (365, 572594), (374, 558815), (730, 286297), (803, 260270), (935, 223526), (1241, 168410), (1531, 136510), (1606, 130135), (1870, 111763), (2482, 84205), (3062, 68255), (4015, 52054), (6205, 33682), (7655, 27302), (8030, 26027), (12410, 16841), (13651, 15310)]