199978240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2029}}^1$

素因数の和:2068

約数の個数: 144

約数和(自身を含む): 597502080

約数和(自身を除く): 397523840

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, 2029, 2240, 2464, 2816, 3080, 3520, 4058, 4480, 4928, 6160, 7040, 8116, 8960, 9856, 10145, 12320, 14080, 14203, 16232, 19712, 20290, 22319, 24640, 28406, 32464, 40580, 44638, 49280, 56812, 64928, 71015, 81160, 89276, 98560, 111595, 113624, 129856, 142030, 156233, 162320, 178552, 223190, 227248, 259712, 284060, 312466, 324640, 357104, 446380, 454496, 519424, 568120, 624932, 649280, 714208, 781165, 892760, 908992, 1136240, 1249864, 1298560, 1428416, 1562330, 1785520, 1817984, 2272480, 2499728, 2597120, 2856832, 3124660, 3571040, 3635968, 4544960, 4999456, 5713664, 6249320, 7142080, 9089920, 9998912, 12498640, 14284160, 18179840, 19997824, 24997280, 28568320, 39995648, 49994560, 99989120, 199978240]

約数ペア:

[(1, 199978240), (2, 99989120), (4, 49994560), (5, 39995648), (7, 28568320), (8, 24997280), (10, 19997824), (11, 18179840), (14, 14284160), (16, 12498640), (20, 9998912), (22, 9089920), (28, 7142080), (32, 6249320), (35, 5713664), (40, 4999456), (44, 4544960), (55, 3635968), (56, 3571040), (64, 3124660), (70, 2856832), (77, 2597120), (80, 2499728), (88, 2272480), (110, 1817984), (112, 1785520), (128, 1562330), (140, 1428416), (154, 1298560), (160, 1249864), (176, 1136240), (220, 908992), (224, 892760), (256, 781165), (280, 714208), (308, 649280), (320, 624932), (352, 568120), (385, 519424), (440, 454496), (448, 446380), (560, 357104), (616, 324640), (640, 312466), (704, 284060), (770, 259712), (880, 227248), (896, 223190), (1120, 178552), (1232, 162320), (1280, 156233), (1408, 142030), (1540, 129856), (1760, 113624), (1792, 111595), (2029, 98560), (2240, 89276), (2464, 81160), (2816, 71015), (3080, 64928), (3520, 56812), (4058, 49280), (4480, 44638), (4928, 40580), (6160, 32464), (7040, 28406), (8116, 24640), (8960, 22319), (9856, 20290), (10145, 19712), (12320, 16232), (14080, 14203)]