439221680

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{28447}}^1$

素因数の和:28653

約数の個数: 40

約数和(自身を含む): 1026517632

約数和(自身を除く): 587295952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 28447, 56894, 113788, 142235, 227576, 284470, 455152, 568940, 1137880, 2275760, 5490271, 10980542, 21961084, 27451355, 43922168, 54902710, 87844336, 109805420, 219610840, 439221680]

約数ペア:

[(1, 439221680), (2, 219610840), (4, 109805420), (5, 87844336), (8, 54902710), (10, 43922168), (16, 27451355), (20, 21961084), (40, 10980542), (80, 5490271), (193, 2275760), (386, 1137880), (772, 568940), (965, 455152), (1544, 284470), (1930, 227576), (3088, 142235), (3860, 113788), (7720, 56894), (15440, 28447)]