28563500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{8161}}^1$

素因数の和:8187

約数の個数: 48

約数和(自身を含む): 71303232

約数和(自身を除く): 42739732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 8161, 16322, 32644, 40805, 57127, 81610, 114254, 163220, 204025, 228508, 285635, 408050, 571270, 816100, 1020125, 1142540, 1428175, 2040250, 2856350, 4080500, 5712700, 7140875, 14281750, 28563500]

約数ペア:

[(1, 28563500), (2, 14281750), (4, 7140875), (5, 5712700), (7, 4080500), (10, 2856350), (14, 2040250), (20, 1428175), (25, 1142540), (28, 1020125), (35, 816100), (50, 571270), (70, 408050), (100, 285635), (125, 228508), (140, 204025), (175, 163220), (250, 114254), (350, 81610), (500, 57127), (700, 40805), (875, 32644), (1750, 16322), (3500, 8161)]