217464640

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5351}}^1$

素因数の和:5495

約数の個数: 56

約数和(自身を含む): 522012672

約数和(自身を除く): 304548032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 5351, 8128, 10160, 10702, 20320, 21404, 26755, 40640, 42808, 53510, 85616, 107020, 171232, 214040, 342464, 428080, 679577, 856160, 1359154, 1712320, 2718308, 3397885, 5436616, 6795770, 10873232, 13591540, 21746464, 27183080, 43492928, 54366160, 108732320, 217464640]

約数ペア:

[(1, 217464640), (2, 108732320), (4, 54366160), (5, 43492928), (8, 27183080), (10, 21746464), (16, 13591540), (20, 10873232), (32, 6795770), (40, 5436616), (64, 3397885), (80, 2718308), (127, 1712320), (160, 1359154), (254, 856160), (320, 679577), (508, 428080), (635, 342464), (1016, 214040), (1270, 171232), (2032, 107020), (2540, 85616), (4064, 53510), (5080, 42808), (5351, 40640), (8128, 26755), (10160, 21404), (10702, 20320)]