201281630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 419040000

約数和(自身を除く): 217758370

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 193, 209, 386, 418, 499, 965, 998, 1045, 1930, 2090, 2123, 2495, 3667, 4246, 4990, 5489, 7334, 9481, 10615, 10978, 18335, 18962, 21230, 27445, 36670, 40337, 47405, 54890, 80674, 94810, 96307, 104291, 192614, 201685, 208582, 403370, 481535, 521455, 963070, 1042910, 1059377, 1829833, 2118754, 3659666, 5296885, 9149165, 10593770, 18298330, 20128163, 40256326, 100640815, 201281630]

約数ペア:

[(1, 201281630), (2, 100640815), (5, 40256326), (10, 20128163), (11, 18298330), (19, 10593770), (22, 9149165), (38, 5296885), (55, 3659666), (95, 2118754), (110, 1829833), (190, 1059377), (193, 1042910), (209, 963070), (386, 521455), (418, 481535), (499, 403370), (965, 208582), (998, 201685), (1045, 192614), (1930, 104291), (2090, 96307), (2123, 94810), (2495, 80674), (3667, 54890), (4246, 47405), (4990, 40337), (5489, 36670), (7334, 27445), (9481, 21230), (10615, 18962), (10978, 18335)]