1685207840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{244943}}^1$

素因数の和:245001

約数の個数: 48

約数和(自身を含む): 4073908608

約数和(自身を除く): 2388700768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 244943, 489886, 979772, 1224715, 1959544, 2449430, 3919088, 4898860, 7838176, 9797720, 10532549, 19595440, 21065098, 39190880, 42130196, 52662745, 84260392, 105325490, 168520784, 210650980, 337041568, 421301960, 842603920, 1685207840]

約数ペア:

[(1, 1685207840), (2, 842603920), (4, 421301960), (5, 337041568), (8, 210650980), (10, 168520784), (16, 105325490), (20, 84260392), (32, 52662745), (40, 42130196), (43, 39190880), (80, 21065098), (86, 19595440), (160, 10532549), (172, 9797720), (215, 7838176), (344, 4898860), (430, 3919088), (688, 2449430), (860, 1959544), (1376, 1224715), (1720, 979772), (3440, 489886), (6880, 244943)]