78927800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{56377}}^1$

素因数の和:56400

約数の個数: 48

約数和(自身を含む): 209726160

約数和(自身を除く): 130798360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 56377, 112754, 225508, 281885, 394639, 451016, 563770, 789278, 1127540, 1409425, 1578556, 1973195, 2255080, 2818850, 3157112, 3946390, 5637700, 7892780, 9865975, 11275400, 15785560, 19731950, 39463900, 78927800]

約数ペア:

[(1, 78927800), (2, 39463900), (4, 19731950), (5, 15785560), (7, 11275400), (8, 9865975), (10, 7892780), (14, 5637700), (20, 3946390), (25, 3157112), (28, 2818850), (35, 2255080), (40, 1973195), (50, 1578556), (56, 1409425), (70, 1127540), (100, 789278), (140, 563770), (175, 451016), (200, 394639), (280, 281885), (350, 225508), (700, 112754), (1400, 56377)]