217185610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1321}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 401771664

約数和(自身を除く): 184586054

約数列:

[1, 2, 5, 10, 41, 82, 205, 401, 410, 802, 1321, 2005, 2642, 4010, 6605, 13210, 16441, 32882, 54161, 82205, 108322, 164410, 270805, 529721, 541610, 1059442, 2648605, 5297210, 21718561, 43437122, 108592805, 217185610]

約数ペア:

[(1, 217185610), (2, 108592805), (5, 43437122), (10, 21718561), (41, 5297210), (82, 2648605), (205, 1059442), (401, 541610), (410, 529721), (802, 270805), (1321, 164410), (2005, 108322), (2642, 82205), (4010, 54161), (6605, 32882), (13210, 16441)]