66644780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 148764000

約数和(自身を除く): 82119220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1609, 2071, 2180, 3218, 4142, 6436, 8045, 8284, 10355, 16090, 20710, 30571, 32180, 41420, 61142, 122284, 152855, 175381, 305710, 350762, 611420, 701524, 876905, 1753810, 3332239, 3507620, 6664478, 13328956, 16661195, 33322390, 66644780]

約数ペア:

[(1, 66644780), (2, 33322390), (4, 16661195), (5, 13328956), (10, 6664478), (19, 3507620), (20, 3332239), (38, 1753810), (76, 876905), (95, 701524), (109, 611420), (190, 350762), (218, 305710), (380, 175381), (436, 152855), (545, 122284), (1090, 61142), (1609, 41420), (2071, 32180), (2180, 30571), (3218, 20710), (4142, 16090), (6436, 10355), (8045, 8284)]