15970508740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{191447}}^1$

素因数の和:191596

約数の個数: 48

約数和(自身を含む): 34671998592

約数和(自身を除く): 18701489852

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 970, 1940, 4171, 8342, 16684, 20855, 41710, 83420, 191447, 382894, 765788, 957235, 1914470, 3828940, 8232221, 16464442, 18570359, 32928884, 37140718, 41161105, 74281436, 82322210, 92851795, 164644420, 185703590, 371407180, 798525437, 1597050874, 3194101748, 3992627185, 7985254370, 15970508740]

約数ペア:

[(1, 15970508740), (2, 7985254370), (4, 3992627185), (5, 3194101748), (10, 1597050874), (20, 798525437), (43, 371407180), (86, 185703590), (97, 164644420), (172, 92851795), (194, 82322210), (215, 74281436), (388, 41161105), (430, 37140718), (485, 32928884), (860, 18570359), (970, 16464442), (1940, 8232221), (4171, 3828940), (8342, 1914470), (16684, 957235), (20855, 765788), (41710, 382894), (83420, 191447)]