169793140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{16421}}^1$

素因数の和:16488

約数の個数: 48

約数和(自身を含む): 397281024

約数和(自身を除く): 227487884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 16421, 32842, 65684, 82105, 164210, 180631, 328420, 361262, 722524, 771787, 903155, 1543574, 1806310, 3087148, 3612620, 3858935, 7717870, 8489657, 15435740, 16979314, 33958628, 42448285, 84896570, 169793140]

約数ペア:

[(1, 169793140), (2, 84896570), (4, 42448285), (5, 33958628), (10, 16979314), (11, 15435740), (20, 8489657), (22, 7717870), (44, 3858935), (47, 3612620), (55, 3087148), (94, 1806310), (110, 1543574), (188, 903155), (220, 771787), (235, 722524), (470, 361262), (517, 328420), (940, 180631), (1034, 164210), (2068, 82105), (2585, 65684), (5170, 32842), (10340, 16421)]