1990996000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 5633881344

約数和(自身を除く): 3642885344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 211, 224, 250, 280, 337, 350, 400, 422, 500, 560, 674, 700, 800, 844, 875, 1000, 1055, 1120, 1348, 1400, 1477, 1685, 1688, 1750, 2000, 2110, 2359, 2696, 2800, 2954, 3370, 3376, 3500, 4000, 4220, 4718, 5275, 5392, 5600, 5908, 6740, 6752, 7000, 7385, 8425, 8440, 9436, 10550, 10784, 11795, 11816, 13480, 14000, 14770, 16850, 16880, 18872, 21100, 23590, 23632, 26375, 26960, 28000, 29540, 33700, 33760, 36925, 37744, 42125, 42200, 47180, 47264, 52750, 53920, 58975, 59080, 67400, 71107, 73850, 75488, 84250, 84400, 94360, 105500, 117950, 118160, 134800, 142214, 147700, 168500, 168800, 184625, 188720, 211000, 235900, 236320, 269600, 284428, 294875, 295400, 337000, 355535, 369250, 377440, 422000, 471800, 497749, 568856, 589750, 590800, 674000, 711070, 738500, 844000, 943600, 995498, 1137712, 1179500, 1181600, 1348000, 1422140, 1477000, 1777675, 1887200, 1990996, 2275424, 2359000, 2488745, 2844280, 2954000, 3555350, 3981992, 4718000, 4977490, 5688560, 5908000, 7110700, 7963984, 8888375, 9436000, 9954980, 11377120, 12443725, 14221400, 15927968, 17776750, 19909960, 24887450, 28442800, 35553500, 39819920, 49774900, 56885600, 62218625, 71107000, 79639840, 99549800, 124437250, 142214000, 199099600, 248874500, 284428000, 398199200, 497749000, 995498000, 1990996000]

約数ペア:

[(1, 1990996000), (2, 995498000), (4, 497749000), (5, 398199200), (7, 284428000), (8, 248874500), (10, 199099600), (14, 142214000), (16, 124437250), (20, 99549800), (25, 79639840), (28, 71107000), (32, 62218625), (35, 56885600), (40, 49774900), (50, 39819920), (56, 35553500), (70, 28442800), (80, 24887450), (100, 19909960), (112, 17776750), (125, 15927968), (140, 14221400), (160, 12443725), (175, 11377120), (200, 9954980), (211, 9436000), (224, 8888375), (250, 7963984), (280, 7110700), (337, 5908000), (350, 5688560), (400, 4977490), (422, 4718000), (500, 3981992), (560, 3555350), (674, 2954000), (700, 2844280), (800, 2488745), (844, 2359000), (875, 2275424), (1000, 1990996), (1055, 1887200), (1120, 1777675), (1348, 1477000), (1400, 1422140), (1477, 1348000), (1685, 1181600), (1688, 1179500), (1750, 1137712), (2000, 995498), (2110, 943600), (2359, 844000), (2696, 738500), (2800, 711070), (2954, 674000), (3370, 590800), (3376, 589750), (3500, 568856), (4000, 497749), (4220, 471800), (4718, 422000), (5275, 377440), (5392, 369250), (5600, 355535), (5908, 337000), (6740, 295400), (6752, 294875), (7000, 284428), (7385, 269600), (8425, 236320), (8440, 235900), (9436, 211000), (10550, 188720), (10784, 184625), (11795, 168800), (11816, 168500), (13480, 147700), (14000, 142214), (14770, 134800), (16850, 118160), (16880, 117950), (18872, 105500), (21100, 94360), (23590, 84400), (23632, 84250), (26375, 75488), (26960, 73850), (28000, 71107), (29540, 67400), (33700, 59080), (33760, 58975), (36925, 53920), (37744, 52750), (42125, 47264), (42200, 47180)]