428544920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{55511}}^1$

素因数の和:55715

約数の個数: 32

約数和(自身を含む): 969239520

約数和(自身を除く): 540694600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 55511, 111022, 222044, 277555, 444088, 555110, 1110220, 2220440, 10713623, 21427246, 42854492, 53568115, 85708984, 107136230, 214272460, 428544920]

約数ペア:

[(1, 428544920), (2, 214272460), (4, 107136230), (5, 85708984), (8, 53568115), (10, 42854492), (20, 21427246), (40, 10713623), (193, 2220440), (386, 1110220), (772, 555110), (965, 444088), (1544, 277555), (1930, 222044), (3860, 111022), (7720, 55511)]