28751180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 65772000

約数和(自身を除く): 37020820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2609, 2755, 5218, 5510, 10436, 11020, 13045, 26090, 49571, 52180, 75661, 99142, 151322, 198284, 247855, 302644, 378305, 495710, 756610, 991420, 1437559, 1513220, 2875118, 5750236, 7187795, 14375590, 28751180]

約数ペア:

[(1, 28751180), (2, 14375590), (4, 7187795), (5, 5750236), (10, 2875118), (19, 1513220), (20, 1437559), (29, 991420), (38, 756610), (58, 495710), (76, 378305), (95, 302644), (116, 247855), (145, 198284), (190, 151322), (290, 99142), (380, 75661), (551, 52180), (580, 49571), (1102, 26090), (2204, 13045), (2609, 11020), (2755, 10436), (5218, 5510)]