220978912

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 566286336

約数和(自身を除く): 345307424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 224, 242, 248, 263, 308, 341, 352, 434, 484, 496, 526, 616, 682, 847, 868, 968, 992, 1052, 1232, 1364, 1694, 1736, 1841, 1936, 2104, 2387, 2464, 2728, 2893, 3388, 3472, 3682, 3751, 3872, 4208, 4774, 5456, 5786, 6776, 6944, 7364, 7502, 8153, 8416, 9548, 10912, 11572, 13552, 14728, 15004, 16306, 19096, 20251, 23144, 26257, 27104, 29456, 30008, 31823, 32612, 38192, 40502, 46288, 52514, 57071, 58912, 60016, 63646, 65224, 76384, 81004, 89683, 92576, 105028, 114142, 120032, 127292, 130448, 162008, 179366, 210056, 222761, 228284, 254584, 260896, 324016, 358732, 420112, 445522, 456568, 509168, 627781, 648032, 717464, 840224, 891044, 913136, 986513, 1018336, 1255562, 1434928, 1782088, 1826272, 1973026, 2511124, 2869856, 3564176, 3946052, 5022248, 6905591, 7128352, 7892104, 10044496, 13811182, 15784208, 20088992, 27622364, 31568416, 55244728, 110489456, 220978912]

約数ペア:

[(1, 220978912), (2, 110489456), (4, 55244728), (7, 31568416), (8, 27622364), (11, 20088992), (14, 15784208), (16, 13811182), (22, 10044496), (28, 7892104), (31, 7128352), (32, 6905591), (44, 5022248), (56, 3946052), (62, 3564176), (77, 2869856), (88, 2511124), (112, 1973026), (121, 1826272), (124, 1782088), (154, 1434928), (176, 1255562), (217, 1018336), (224, 986513), (242, 913136), (248, 891044), (263, 840224), (308, 717464), (341, 648032), (352, 627781), (434, 509168), (484, 456568), (496, 445522), (526, 420112), (616, 358732), (682, 324016), (847, 260896), (868, 254584), (968, 228284), (992, 222761), (1052, 210056), (1232, 179366), (1364, 162008), (1694, 130448), (1736, 127292), (1841, 120032), (1936, 114142), (2104, 105028), (2387, 92576), (2464, 89683), (2728, 81004), (2893, 76384), (3388, 65224), (3472, 63646), (3682, 60016), (3751, 58912), (3872, 57071), (4208, 52514), (4774, 46288), (5456, 40502), (5786, 38192), (6776, 32612), (6944, 31823), (7364, 30008), (7502, 29456), (8153, 27104), (8416, 26257), (9548, 23144), (10912, 20251), (11572, 19096), (13552, 16306), (14728, 15004)]