289667840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2939}}^1$

素因数の和:2978

約数の個数: 144

約数和(自身を含む): 865347840

約数和(自身を除く): 575680000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2816, 2939, 3080, 3520, 4480, 4928, 5878, 6160, 7040, 8960, 9856, 11756, 12320, 14080, 14695, 19712, 20573, 23512, 24640, 29390, 32329, 41146, 47024, 49280, 58780, 64658, 82292, 94048, 98560, 102865, 117560, 129316, 161645, 164584, 188096, 205730, 226303, 235120, 258632, 323290, 329168, 376192, 411460, 452606, 470240, 517264, 646580, 658336, 752384, 822920, 905212, 940480, 1034528, 1131515, 1293160, 1316672, 1645840, 1810424, 1880960, 2069056, 2263030, 2586320, 2633344, 3291680, 3620848, 3761920, 4138112, 4526060, 5172640, 5266688, 6583360, 7241696, 8276224, 9052120, 10345280, 13166720, 14483392, 18104240, 20690560, 26333440, 28966784, 36208480, 41381120, 57933568, 72416960, 144833920, 289667840]

約数ペア:

[(1, 289667840), (2, 144833920), (4, 72416960), (5, 57933568), (7, 41381120), (8, 36208480), (10, 28966784), (11, 26333440), (14, 20690560), (16, 18104240), (20, 14483392), (22, 13166720), (28, 10345280), (32, 9052120), (35, 8276224), (40, 7241696), (44, 6583360), (55, 5266688), (56, 5172640), (64, 4526060), (70, 4138112), (77, 3761920), (80, 3620848), (88, 3291680), (110, 2633344), (112, 2586320), (128, 2263030), (140, 2069056), (154, 1880960), (160, 1810424), (176, 1645840), (220, 1316672), (224, 1293160), (256, 1131515), (280, 1034528), (308, 940480), (320, 905212), (352, 822920), (385, 752384), (440, 658336), (448, 646580), (560, 517264), (616, 470240), (640, 452606), (704, 411460), (770, 376192), (880, 329168), (896, 323290), (1120, 258632), (1232, 235120), (1280, 226303), (1408, 205730), (1540, 188096), (1760, 164584), (1792, 161645), (2240, 129316), (2464, 117560), (2816, 102865), (2939, 98560), (3080, 94048), (3520, 82292), (4480, 64658), (4928, 58780), (5878, 49280), (6160, 47024), (7040, 41146), (8960, 32329), (9856, 29390), (11756, 24640), (12320, 23512), (14080, 20573), (14695, 19712)]