7390840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4297}}^1$

素因数の和:4351

約数の個数: 32

約数和(自身を含む): 17020080

約数和(自身を除く): 9629240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4297, 8594, 17188, 21485, 34376, 42970, 85940, 171880, 184771, 369542, 739084, 923855, 1478168, 1847710, 3695420, 7390840]

約数ペア:

[(1, 7390840), (2, 3695420), (4, 1847710), (5, 1478168), (8, 923855), (10, 739084), (20, 369542), (40, 184771), (43, 171880), (86, 85940), (172, 42970), (215, 34376), (344, 21485), (430, 17188), (860, 8594), (1720, 4297)]