200410990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21713}}^1$

素因数の和:21804

約数の個数: 32

約数和(自身を含む): 393978816

約数和(自身を除く): 193567826

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 21713, 43426, 108565, 217130, 282269, 564538, 1411345, 1541623, 2822690, 3083246, 7708115, 15416230, 20041099, 40082198, 100205495, 200410990]

約数ペア:

[(1, 200410990), (2, 100205495), (5, 40082198), (10, 20041099), (13, 15416230), (26, 7708115), (65, 3083246), (71, 2822690), (130, 1541623), (142, 1411345), (355, 564538), (710, 282269), (923, 217130), (1846, 108565), (4615, 43426), (9230, 21713)]