997821440

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2574

約数の個数: 176

約数和(自身を含む): 2985410304

約数和(自身を除く): 1987588864

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, 1024, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2531, 2560, 2816, 3080, 3520, 3584, 4480, 4928, 5062, 5120, 5632, 6160, 7040, 7168, 8960, 9856, 10124, 11264, 12320, 12655, 14080, 17717, 17920, 19712, 20248, 24640, 25310, 27841, 28160, 35434, 35840, 39424, 40496, 49280, 50620, 55682, 56320, 70868, 78848, 80992, 88585, 98560, 101240, 111364, 139205, 141736, 161984, 177170, 194887, 197120, 202480, 222728, 278410, 283472, 323968, 354340, 389774, 394240, 404960, 445456, 556820, 566944, 647936, 708680, 779548, 809920, 890912, 974435, 1113640, 1133888, 1295872, 1417360, 1559096, 1619840, 1781824, 1948870, 2227280, 2267776, 2591744, 2834720, 3118192, 3239680, 3563648, 3897740, 4454560, 4535552, 5669440, 6236384, 6479360, 7127296, 7795480, 8909120, 9071104, 11338880, 12472768, 12958720, 14254592, 15590960, 17818240, 18142208, 22677760, 24945536, 28509184, 31181920, 35636480, 45355520, 49891072, 62363840, 71272960, 90711040, 99782144, 124727680, 142545920, 199564288, 249455360, 498910720, 997821440]

約数ペア:

[(1, 997821440), (2, 498910720), (4, 249455360), (5, 199564288), (7, 142545920), (8, 124727680), (10, 99782144), (11, 90711040), (14, 71272960), (16, 62363840), (20, 49891072), (22, 45355520), (28, 35636480), (32, 31181920), (35, 28509184), (40, 24945536), (44, 22677760), (55, 18142208), (56, 17818240), (64, 15590960), (70, 14254592), (77, 12958720), (80, 12472768), (88, 11338880), (110, 9071104), (112, 8909120), (128, 7795480), (140, 7127296), (154, 6479360), (160, 6236384), (176, 5669440), (220, 4535552), (224, 4454560), (256, 3897740), (280, 3563648), (308, 3239680), (320, 3118192), (352, 2834720), (385, 2591744), (440, 2267776), (448, 2227280), (512, 1948870), (560, 1781824), (616, 1619840), (640, 1559096), (704, 1417360), (770, 1295872), (880, 1133888), (896, 1113640), (1024, 974435), (1120, 890912), (1232, 809920), (1280, 779548), (1408, 708680), (1540, 647936), (1760, 566944), (1792, 556820), (2240, 445456), (2464, 404960), (2531, 394240), (2560, 389774), (2816, 354340), (3080, 323968), (3520, 283472), (3584, 278410), (4480, 222728), (4928, 202480), (5062, 197120), (5120, 194887), (5632, 177170), (6160, 161984), (7040, 141736), (7168, 139205), (8960, 111364), (9856, 101240), (10124, 98560), (11264, 88585), (12320, 80992), (12655, 78848), (14080, 70868), (17717, 56320), (17920, 55682), (19712, 50620), (20248, 49280), (24640, 40496), (25310, 39424), (27841, 35840), (28160, 35434)]