1999690000

素因数分解:

$2^4\times 5^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 400

約数和(自身を含む): 6275491200

約数和(自身を除く): 4275801200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 49, 50, 53, 55, 56, 70, 77, 80, 88, 98, 100, 106, 110, 112, 125, 140, 154, 175, 176, 196, 200, 212, 220, 245, 250, 265, 275, 280, 308, 343, 350, 371, 385, 392, 400, 424, 440, 490, 500, 530, 539, 550, 560, 583, 616, 625, 686, 700, 742, 770, 784, 848, 875, 880, 980, 1000, 1060, 1078, 1100, 1166, 1225, 1232, 1250, 1325, 1372, 1375, 1400, 1484, 1540, 1715, 1750, 1855, 1925, 1960, 2000, 2120, 2156, 2200, 2332, 2450, 2500, 2597, 2650, 2695, 2744, 2750, 2800, 2915, 2968, 3080, 3430, 3500, 3710, 3773, 3850, 3920, 4081, 4240, 4312, 4375, 4400, 4664, 4900, 5000, 5194, 5300, 5390, 5488, 5500, 5830, 5936, 6125, 6160, 6625, 6860, 6875, 7000, 7420, 7546, 7700, 8162, 8575, 8624, 8750, 9275, 9328, 9625, 9800, 10000, 10388, 10600, 10780, 11000, 11660, 12250, 12985, 13250, 13475, 13720, 13750, 14000, 14575, 14840, 15092, 15400, 16324, 17150, 17500, 18179, 18550, 18865, 19250, 19600, 20405, 20776, 21200, 21560, 22000, 23320, 24500, 25970, 26500, 26950, 27440, 27500, 28567, 29150, 29680, 30184, 30625, 30800, 32648, 33125, 34300, 35000, 36358, 37100, 37730, 38500, 40810, 41552, 42875, 43120, 46375, 46640, 48125, 49000, 51940, 53000, 53900, 55000, 57134, 58300, 60368, 61250, 64925, 65296, 66250, 67375, 68600, 70000, 72716, 72875, 74200, 75460, 77000, 81620, 85750, 90895, 92750, 94325, 96250, 98000, 102025, 103880, 106000, 107800, 110000, 114268, 116600, 122500, 129850, 132500, 134750, 137200, 142835, 145432, 145750, 148400, 150920, 154000, 163240, 171500, 181790, 185500, 188650, 192500, 199969, 204050, 207760, 214375, 215600, 228536, 231875, 233200, 245000, 259700, 265000, 269500, 285670, 290864, 291500, 301840, 324625, 326480, 336875, 343000, 363580, 364375, 371000, 377300, 385000, 399938, 408100, 428750, 454475, 457072, 463750, 471625, 490000, 510125, 519400, 530000, 539000, 571340, 583000, 649250, 673750, 686000, 714175, 727160, 728750, 742000, 754600, 770000, 799876, 816200, 857500, 908950, 927500, 943250, 999845, 1020250, 1038800, 1078000, 1142680, 1166000, 1298500, 1347500, 1428350, 1454320, 1457500, 1509200, 1599752, 1623125, 1632400, 1715000, 1817900, 1855000, 1886500, 1999690, 2040500, 2272375, 2285360, 2358125, 2550625, 2597000, 2695000, 2856700, 2915000, 3199504, 3246250, 3430000, 3570875, 3635800, 3710000, 3773000, 3999380, 4081000, 4544750, 4716250, 4999225, 5101250, 5194000, 5390000, 5713400, 5830000, 6492500, 7141750, 7271600, 7546000, 7998760, 8162000, 9089500, 9432500, 9998450, 10202500, 11361875, 11426800, 12985000, 14283500, 15997520, 17854375, 18179000, 18865000, 19996900, 20405000, 22723750, 24996125, 25970000, 28567000, 35708750, 36358000, 37730000, 39993800, 40810000, 45447500, 49992250, 57134000, 71417500, 79987600, 90895000, 99984500, 124980625, 142835000, 181790000, 199969000, 249961250, 285670000, 399938000, 499922500, 999845000, 1999690000]

約数ペア:

[(1, 1999690000), (2, 999845000), (4, 499922500), (5, 399938000), (7, 285670000), (8, 249961250), (10, 199969000), (11, 181790000), (14, 142835000), (16, 124980625), (20, 99984500), (22, 90895000), (25, 79987600), (28, 71417500), (35, 57134000), (40, 49992250), (44, 45447500), (49, 40810000), (50, 39993800), (53, 37730000), (55, 36358000), (56, 35708750), (70, 28567000), (77, 25970000), (80, 24996125), (88, 22723750), (98, 20405000), (100, 19996900), (106, 18865000), (110, 18179000), (112, 17854375), (125, 15997520), (140, 14283500), (154, 12985000), (175, 11426800), (176, 11361875), (196, 10202500), (200, 9998450), (212, 9432500), (220, 9089500), (245, 8162000), (250, 7998760), (265, 7546000), (275, 7271600), (280, 7141750), (308, 6492500), (343, 5830000), (350, 5713400), (371, 5390000), (385, 5194000), (392, 5101250), (400, 4999225), (424, 4716250), (440, 4544750), (490, 4081000), (500, 3999380), (530, 3773000), (539, 3710000), (550, 3635800), (560, 3570875), (583, 3430000), (616, 3246250), (625, 3199504), (686, 2915000), (700, 2856700), (742, 2695000), (770, 2597000), (784, 2550625), (848, 2358125), (875, 2285360), (880, 2272375), (980, 2040500), (1000, 1999690), (1060, 1886500), (1078, 1855000), (1100, 1817900), (1166, 1715000), (1225, 1632400), (1232, 1623125), (1250, 1599752), (1325, 1509200), (1372, 1457500), (1375, 1454320), (1400, 1428350), (1484, 1347500), (1540, 1298500), (1715, 1166000), (1750, 1142680), (1855, 1078000), (1925, 1038800), (1960, 1020250), (2000, 999845), (2120, 943250), (2156, 927500), (2200, 908950), (2332, 857500), (2450, 816200), (2500, 799876), (2597, 770000), (2650, 754600), (2695, 742000), (2744, 728750), (2750, 727160), (2800, 714175), (2915, 686000), (2968, 673750), (3080, 649250), (3430, 583000), (3500, 571340), (3710, 539000), (3773, 530000), (3850, 519400), (3920, 510125), (4081, 490000), (4240, 471625), (4312, 463750), (4375, 457072), (4400, 454475), (4664, 428750), (4900, 408100), (5000, 399938), (5194, 385000), (5300, 377300), (5390, 371000), (5488, 364375), (5500, 363580), (5830, 343000), (5936, 336875), (6125, 326480), (6160, 324625), (6625, 301840), (6860, 291500), (6875, 290864), (7000, 285670), (7420, 269500), (7546, 265000), (7700, 259700), (8162, 245000), (8575, 233200), (8624, 231875), (8750, 228536), (9275, 215600), (9328, 214375), (9625, 207760), (9800, 204050), (10000, 199969), (10388, 192500), (10600, 188650), (10780, 185500), (11000, 181790), (11660, 171500), (12250, 163240), (12985, 154000), (13250, 150920), (13475, 148400), (13720, 145750), (13750, 145432), (14000, 142835), (14575, 137200), (14840, 134750), (15092, 132500), (15400, 129850), (16324, 122500), (17150, 116600), (17500, 114268), (18179, 110000), (18550, 107800), (18865, 106000), (19250, 103880), (19600, 102025), (20405, 98000), (20776, 96250), (21200, 94325), (21560, 92750), (22000, 90895), (23320, 85750), (24500, 81620), (25970, 77000), (26500, 75460), (26950, 74200), (27440, 72875), (27500, 72716), (28567, 70000), (29150, 68600), (29680, 67375), (30184, 66250), (30625, 65296), (30800, 64925), (32648, 61250), (33125, 60368), (34300, 58300), (35000, 57134), (36358, 55000), (37100, 53900), (37730, 53000), (38500, 51940), (40810, 49000), (41552, 48125), (42875, 46640), (43120, 46375)]