2801300

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 6158460

約数和(自身を除く): 3357160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 257, 436, 514, 545, 1028, 1090, 1285, 2180, 2570, 2725, 5140, 5450, 6425, 10900, 12850, 25700, 28013, 56026, 112052, 140065, 280130, 560260, 700325, 1400650, 2801300]

約数ペア:

[(1, 2801300), (2, 1400650), (4, 700325), (5, 560260), (10, 280130), (20, 140065), (25, 112052), (50, 56026), (100, 28013), (109, 25700), (218, 12850), (257, 10900), (436, 6425), (514, 5450), (545, 5140), (1028, 2725), (1090, 2570), (1285, 2180)]