1721900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 3807048

約数和(自身を除く): 2085148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 257, 268, 335, 514, 670, 1028, 1285, 1340, 1675, 2570, 3350, 5140, 6425, 6700, 12850, 17219, 25700, 34438, 68876, 86095, 172190, 344380, 430475, 860950, 1721900]

約数ペア:

[(1, 1721900), (2, 860950), (4, 430475), (5, 344380), (10, 172190), (20, 86095), (25, 68876), (50, 34438), (67, 25700), (100, 17219), (134, 12850), (257, 6700), (268, 6425), (335, 5140), (514, 3350), (670, 2570), (1028, 1675), (1285, 1340)]