129303740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1499}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 287280000

約数和(自身を除く): 157976260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 1499, 2270, 2998, 4313, 4540, 5996, 7495, 8626, 14990, 17252, 21565, 28481, 29980, 43130, 56962, 86260, 113924, 142405, 284810, 340273, 569620, 680546, 1361092, 1701365, 3402730, 6465187, 6805460, 12930374, 25860748, 32325935, 64651870, 129303740]

約数ペア:

[(1, 129303740), (2, 64651870), (4, 32325935), (5, 25860748), (10, 12930374), (19, 6805460), (20, 6465187), (38, 3402730), (76, 1701365), (95, 1361092), (190, 680546), (227, 569620), (380, 340273), (454, 284810), (908, 142405), (1135, 113924), (1499, 86260), (2270, 56962), (2998, 43130), (4313, 29980), (4540, 28481), (5996, 21565), (7495, 17252), (8626, 14990)]