8507660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 20745984

約数和(自身を除く): 12238324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 907, 938, 1340, 1814, 1876, 2345, 3628, 4535, 4690, 6349, 9070, 9380, 12698, 18140, 25396, 31745, 60769, 63490, 121538, 126980, 243076, 303845, 425383, 607690, 850766, 1215380, 1701532, 2126915, 4253830, 8507660]

約数ペア:

[(1, 8507660), (2, 4253830), (4, 2126915), (5, 1701532), (7, 1215380), (10, 850766), (14, 607690), (20, 425383), (28, 303845), (35, 243076), (67, 126980), (70, 121538), (134, 63490), (140, 60769), (268, 31745), (335, 25396), (469, 18140), (670, 12698), (907, 9380), (938, 9070), (1340, 6349), (1814, 4690), (1876, 4535), (2345, 3628)]