263255740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{32341}}^1$

素因数の和:32398

約数の個数: 48

約数和(自身を含む): 619413984

約数和(自身を除く): 356158244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 32341, 64682, 129364, 161705, 323410, 355751, 646820, 711502, 1196617, 1423004, 1778755, 2393234, 3557510, 4786468, 5983085, 7115020, 11966170, 13162787, 23932340, 26325574, 52651148, 65813935, 131627870, 263255740]

約数ペア:

[(1, 263255740), (2, 131627870), (4, 65813935), (5, 52651148), (10, 26325574), (11, 23932340), (20, 13162787), (22, 11966170), (37, 7115020), (44, 5983085), (55, 4786468), (74, 3557510), (110, 2393234), (148, 1778755), (185, 1423004), (220, 1196617), (370, 711502), (407, 646820), (740, 355751), (814, 323410), (1628, 161705), (2035, 129364), (4070, 64682), (8140, 32341)]