399956480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2029}}^1$

素因数の和:2070

約数の個数: 160

約数和(自身を含む): 1196173440

約数和(自身を除く): 796216960

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, 512, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2029, 2240, 2464, 2560, 2816, 3080, 3520, 3584, 4058, 4480, 4928, 5632, 6160, 7040, 8116, 8960, 9856, 10145, 12320, 14080, 14203, 16232, 17920, 19712, 20290, 22319, 24640, 28160, 28406, 32464, 39424, 40580, 44638, 49280, 56812, 64928, 71015, 81160, 89276, 98560, 111595, 113624, 129856, 142030, 156233, 162320, 178552, 197120, 223190, 227248, 259712, 284060, 312466, 324640, 357104, 446380, 454496, 519424, 568120, 624932, 649280, 714208, 781165, 892760, 908992, 1038848, 1136240, 1249864, 1298560, 1428416, 1562330, 1785520, 1817984, 2272480, 2499728, 2597120, 2856832, 3124660, 3571040, 3635968, 4544960, 4999456, 5194240, 5713664, 6249320, 7142080, 7271936, 9089920, 9998912, 11427328, 12498640, 14284160, 18179840, 19997824, 24997280, 28568320, 36359680, 39995648, 49994560, 57136640, 79991296, 99989120, 199978240, 399956480]

約数ペア:

[(1, 399956480), (2, 199978240), (4, 99989120), (5, 79991296), (7, 57136640), (8, 49994560), (10, 39995648), (11, 36359680), (14, 28568320), (16, 24997280), (20, 19997824), (22, 18179840), (28, 14284160), (32, 12498640), (35, 11427328), (40, 9998912), (44, 9089920), (55, 7271936), (56, 7142080), (64, 6249320), (70, 5713664), (77, 5194240), (80, 4999456), (88, 4544960), (110, 3635968), (112, 3571040), (128, 3124660), (140, 2856832), (154, 2597120), (160, 2499728), (176, 2272480), (220, 1817984), (224, 1785520), (256, 1562330), (280, 1428416), (308, 1298560), (320, 1249864), (352, 1136240), (385, 1038848), (440, 908992), (448, 892760), (512, 781165), (560, 714208), (616, 649280), (640, 624932), (704, 568120), (770, 519424), (880, 454496), (896, 446380), (1120, 357104), (1232, 324640), (1280, 312466), (1408, 284060), (1540, 259712), (1760, 227248), (1792, 223190), (2029, 197120), (2240, 178552), (2464, 162320), (2560, 156233), (2816, 142030), (3080, 129856), (3520, 113624), (3584, 111595), (4058, 98560), (4480, 89276), (4928, 81160), (5632, 71015), (6160, 64928), (7040, 56812), (8116, 49280), (8960, 44638), (9856, 40580), (10145, 39424), (12320, 32464), (14080, 28406), (14203, 28160), (16232, 24640), (17920, 22319), (19712, 20290)]