256949000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 256

約数和(自身を含む): 776355840

約数和(自身を除く): 519406840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 47, 50, 55, 56, 70, 71, 77, 88, 94, 100, 110, 125, 140, 142, 154, 175, 188, 200, 220, 235, 250, 275, 280, 284, 308, 329, 350, 355, 376, 385, 440, 470, 497, 500, 517, 550, 568, 616, 658, 700, 710, 770, 781, 875, 940, 994, 1000, 1034, 1100, 1175, 1316, 1375, 1400, 1420, 1540, 1562, 1645, 1750, 1775, 1880, 1925, 1988, 2068, 2200, 2350, 2485, 2585, 2632, 2750, 2840, 3080, 3124, 3290, 3337, 3500, 3550, 3619, 3850, 3905, 3976, 4136, 4700, 4970, 5170, 5467, 5500, 5875, 6248, 6580, 6674, 7000, 7100, 7238, 7700, 7810, 8225, 8875, 9400, 9625, 9940, 10340, 10934, 11000, 11750, 12425, 12925, 13160, 13348, 14200, 14476, 15400, 15620, 16450, 16685, 17750, 18095, 19250, 19525, 19880, 20680, 21868, 23359, 23500, 24850, 25850, 26696, 27335, 28952, 31240, 32900, 33370, 35500, 36190, 36707, 38500, 39050, 41125, 43736, 46718, 47000, 49700, 51700, 54670, 62125, 64625, 65800, 66740, 71000, 72380, 73414, 77000, 78100, 82250, 83425, 90475, 93436, 97625, 99400, 103400, 109340, 116795, 124250, 129250, 133480, 136675, 144760, 146828, 156200, 164500, 166850, 180950, 183535, 186872, 195250, 218680, 233590, 248500, 256949, 258500, 273350, 293656, 329000, 333700, 361900, 367070, 390500, 417125, 452375, 467180, 497000, 513898, 517000, 546700, 583975, 667400, 683375, 723800, 734140, 781000, 834250, 904750, 917675, 934360, 1027796, 1093400, 1167950, 1284745, 1366750, 1468280, 1668500, 1809500, 1835350, 2055592, 2335900, 2569490, 2733500, 2919875, 3337000, 3619000, 3670700, 4588375, 4671800, 5138980, 5467000, 5839750, 6423725, 7341400, 9176750, 10277960, 11679500, 12847450, 18353500, 23359000, 25694900, 32118625, 36707000, 51389800, 64237250, 128474500, 256949000]

約数ペア:

[(1, 256949000), (2, 128474500), (4, 64237250), (5, 51389800), (7, 36707000), (8, 32118625), (10, 25694900), (11, 23359000), (14, 18353500), (20, 12847450), (22, 11679500), (25, 10277960), (28, 9176750), (35, 7341400), (40, 6423725), (44, 5839750), (47, 5467000), (50, 5138980), (55, 4671800), (56, 4588375), (70, 3670700), (71, 3619000), (77, 3337000), (88, 2919875), (94, 2733500), (100, 2569490), (110, 2335900), (125, 2055592), (140, 1835350), (142, 1809500), (154, 1668500), (175, 1468280), (188, 1366750), (200, 1284745), (220, 1167950), (235, 1093400), (250, 1027796), (275, 934360), (280, 917675), (284, 904750), (308, 834250), (329, 781000), (350, 734140), (355, 723800), (376, 683375), (385, 667400), (440, 583975), (470, 546700), (497, 517000), (500, 513898), (517, 497000), (550, 467180), (568, 452375), (616, 417125), (658, 390500), (700, 367070), (710, 361900), (770, 333700), (781, 329000), (875, 293656), (940, 273350), (994, 258500), (1000, 256949), (1034, 248500), (1100, 233590), (1175, 218680), (1316, 195250), (1375, 186872), (1400, 183535), (1420, 180950), (1540, 166850), (1562, 164500), (1645, 156200), (1750, 146828), (1775, 144760), (1880, 136675), (1925, 133480), (1988, 129250), (2068, 124250), (2200, 116795), (2350, 109340), (2485, 103400), (2585, 99400), (2632, 97625), (2750, 93436), (2840, 90475), (3080, 83425), (3124, 82250), (3290, 78100), (3337, 77000), (3500, 73414), (3550, 72380), (3619, 71000), (3850, 66740), (3905, 65800), (3976, 64625), (4136, 62125), (4700, 54670), (4970, 51700), (5170, 49700), (5467, 47000), (5500, 46718), (5875, 43736), (6248, 41125), (6580, 39050), (6674, 38500), (7000, 36707), (7100, 36190), (7238, 35500), (7700, 33370), (7810, 32900), (8225, 31240), (8875, 28952), (9400, 27335), (9625, 26696), (9940, 25850), (10340, 24850), (10934, 23500), (11000, 23359), (11750, 21868), (12425, 20680), (12925, 19880), (13160, 19525), (13348, 19250), (14200, 18095), (14476, 17750), (15400, 16685), (15620, 16450)]