127427600

素因数分解:

$2^4\times 5^2\times {\mathrm{318569}}^1$

素因数の和:318587

約数の個数: 30

約数和(自身を含む): 306145770

約数和(自身を除く): 178718170

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 318569, 637138, 1274276, 1592845, 2548552, 3185690, 5097104, 6371380, 7964225, 12742760, 15928450, 25485520, 31856900, 63713800, 127427600]

約数ペア:

[(1, 127427600), (2, 63713800), (4, 31856900), (5, 25485520), (8, 15928450), (10, 12742760), (16, 7964225), (20, 6371380), (25, 5097104), (40, 3185690), (50, 2548552), (80, 1592845), (100, 1274276), (200, 637138), (400, 318569)]