220718264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 463626240

約数和(自身を除く): 242907976

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 223, 248, 307, 403, 446, 614, 806, 892, 1228, 1612, 1784, 2456, 2899, 3224, 3991, 5798, 6913, 7982, 9517, 11596, 13826, 15964, 19034, 23192, 27652, 31928, 38068, 55304, 68461, 76136, 89869, 123721, 136922, 179738, 247442, 273844, 359476, 494884, 547688, 718952, 889993, 989768, 1779986, 2122291, 3559972, 4244582, 7119944, 8489164, 16978328, 27589783, 55179566, 110359132, 220718264]

約数ペア:

[(1, 220718264), (2, 110359132), (4, 55179566), (8, 27589783), (13, 16978328), (26, 8489164), (31, 7119944), (52, 4244582), (62, 3559972), (104, 2122291), (124, 1779986), (223, 989768), (248, 889993), (307, 718952), (403, 547688), (446, 494884), (614, 359476), (806, 273844), (892, 247442), (1228, 179738), (1612, 136922), (1784, 123721), (2456, 89869), (2899, 76136), (3224, 68461), (3991, 55304), (5798, 38068), (6913, 31928), (7982, 27652), (9517, 23192), (11596, 19034), (13826, 15964)]