1771480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 4051440

約数和(自身を除く): 2279960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 661, 670, 1322, 1340, 2644, 2680, 3305, 5288, 6610, 13220, 26440, 44287, 88574, 177148, 221435, 354296, 442870, 885740, 1771480]

約数ペア:

[(1, 1771480), (2, 885740), (4, 442870), (5, 354296), (8, 221435), (10, 177148), (20, 88574), (40, 44287), (67, 26440), (134, 13220), (268, 6610), (335, 5288), (536, 3305), (661, 2680), (670, 2644), (1322, 1340)]