320420744

素因数分解:

$2^3\times 7^1\times {\mathrm{859}}^1\times {\mathrm{6661}}^1$

素因数の和:7533

約数の個数: 32

約数和(自身を含む): 687518400

約数和(自身を除く): 367097656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 859, 1718, 3436, 6013, 6661, 6872, 12026, 13322, 24052, 26644, 46627, 48104, 53288, 93254, 186508, 373016, 5721799, 11443598, 22887196, 40052593, 45774392, 80105186, 160210372, 320420744]

約数ペア:

[(1, 320420744), (2, 160210372), (4, 80105186), (7, 45774392), (8, 40052593), (14, 22887196), (28, 11443598), (56, 5721799), (859, 373016), (1718, 186508), (3436, 93254), (6013, 53288), (6661, 48104), (6872, 46627), (12026, 26644), (13322, 24052)]