139027180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15907}}^1$

素因数の和:15958

約数の個数: 48

約数和(自身を含む): 320705280

約数和(自身を除く): 181678100

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 15907, 31814, 63628, 79535, 159070, 302233, 318140, 365861, 604466, 731722, 1208932, 1463444, 1511165, 1829305, 3022330, 3658610, 6044660, 6951359, 7317220, 13902718, 27805436, 34756795, 69513590, 139027180]

約数ペア:

[(1, 139027180), (2, 69513590), (4, 34756795), (5, 27805436), (10, 13902718), (19, 7317220), (20, 6951359), (23, 6044660), (38, 3658610), (46, 3022330), (76, 1829305), (92, 1511165), (95, 1463444), (115, 1208932), (190, 731722), (230, 604466), (380, 365861), (437, 318140), (460, 302233), (874, 159070), (1748, 79535), (2185, 63628), (4370, 31814), (8740, 15907)]