220596496

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 469398528

約数和(自身を除く): 248802032

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 61, 62, 92, 122, 124, 184, 244, 248, 317, 368, 488, 496, 634, 713, 976, 1268, 1403, 1426, 1891, 2536, 2806, 2852, 3782, 5072, 5612, 5704, 7291, 7564, 9827, 11224, 11408, 14582, 15128, 19337, 19654, 22448, 29164, 30256, 38674, 39308, 43493, 58328, 77348, 78616, 86986, 116656, 154696, 157232, 173972, 226021, 309392, 347944, 444751, 452042, 599447, 695888, 889502, 904084, 1198894, 1779004, 1808168, 2397788, 3558008, 3616336, 4795576, 7116016, 9591152, 13787281, 27574562, 55149124, 110298248, 220596496]

約数ペア:

[(1, 220596496), (2, 110298248), (4, 55149124), (8, 27574562), (16, 13787281), (23, 9591152), (31, 7116016), (46, 4795576), (61, 3616336), (62, 3558008), (92, 2397788), (122, 1808168), (124, 1779004), (184, 1198894), (244, 904084), (248, 889502), (317, 695888), (368, 599447), (488, 452042), (496, 444751), (634, 347944), (713, 309392), (976, 226021), (1268, 173972), (1403, 157232), (1426, 154696), (1891, 116656), (2536, 86986), (2806, 78616), (2852, 77348), (3782, 58328), (5072, 43493), (5612, 39308), (5704, 38674), (7291, 30256), (7564, 29164), (9827, 22448), (11224, 19654), (11408, 19337), (14582, 15128)]