309328208

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{145361}}^1$

素因数の和:145395

約数の個数: 40

約数和(自身を含む): 720995520

約数和(自身を除く): 411667312

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 145361, 290722, 581444, 1017527, 1162888, 2035054, 2325776, 2761859, 4070108, 5523718, 8140216, 11047436, 16280432, 19333013, 22094872, 38666026, 44189744, 77332052, 154664104, 309328208]

約数ペア:

[(1, 309328208), (2, 154664104), (4, 77332052), (7, 44189744), (8, 38666026), (14, 22094872), (16, 19333013), (19, 16280432), (28, 11047436), (38, 8140216), (56, 5523718), (76, 4070108), (112, 2761859), (133, 2325776), (152, 2035054), (266, 1162888), (304, 1017527), (532, 581444), (1064, 290722), (2128, 145361)]