4821320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 12631680

約数和(自身を除く): 7810360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 257, 268, 280, 335, 469, 514, 536, 670, 938, 1028, 1285, 1340, 1799, 1876, 2056, 2345, 2570, 2680, 3598, 3752, 4690, 5140, 7196, 8995, 9380, 10280, 14392, 17219, 17990, 18760, 34438, 35980, 68876, 71960, 86095, 120533, 137752, 172190, 241066, 344380, 482132, 602665, 688760, 964264, 1205330, 2410660, 4821320]

約数ペア:

[(1, 4821320), (2, 2410660), (4, 1205330), (5, 964264), (7, 688760), (8, 602665), (10, 482132), (14, 344380), (20, 241066), (28, 172190), (35, 137752), (40, 120533), (56, 86095), (67, 71960), (70, 68876), (134, 35980), (140, 34438), (257, 18760), (268, 17990), (280, 17219), (335, 14392), (469, 10280), (514, 9380), (536, 8995), (670, 7196), (938, 5140), (1028, 4690), (1285, 3752), (1340, 3598), (1799, 2680), (1876, 2570), (2056, 2345)]