17389728740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2381}}^1\times {\mathrm{21481}}^1$

素因数の和:23888

約数の個数: 48

約数和(自身を含む): 38684613744

約数和(自身を除く): 21294885004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2381, 4762, 9524, 11905, 21481, 23810, 40477, 42962, 47620, 80954, 85924, 107405, 161908, 202385, 214810, 365177, 404770, 429620, 730354, 809540, 1460708, 1825885, 3651770, 7303540, 51146261, 102292522, 204585044, 255731305, 511462610, 869486437, 1022925220, 1738972874, 3477945748, 4347432185, 8694864370, 17389728740]

約数ペア:

[(1, 17389728740), (2, 8694864370), (4, 4347432185), (5, 3477945748), (10, 1738972874), (17, 1022925220), (20, 869486437), (34, 511462610), (68, 255731305), (85, 204585044), (170, 102292522), (340, 51146261), (2381, 7303540), (4762, 3651770), (9524, 1825885), (11905, 1460708), (21481, 809540), (23810, 730354), (40477, 429620), (42962, 404770), (47620, 365177), (80954, 214810), (85924, 202385), (107405, 161908)]