305998000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2028

約数の個数: 160

約数和(自身を含む): 922940928

約数和(自身を除く): 616942928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 125, 140, 154, 175, 176, 200, 220, 250, 275, 280, 308, 350, 385, 400, 440, 500, 550, 560, 616, 700, 770, 875, 880, 1000, 1100, 1232, 1375, 1400, 1540, 1750, 1925, 1987, 2000, 2200, 2750, 2800, 3080, 3500, 3850, 3974, 4400, 5500, 6160, 7000, 7700, 7948, 9625, 9935, 11000, 13909, 14000, 15400, 15896, 19250, 19870, 21857, 22000, 27818, 30800, 31792, 38500, 39740, 43714, 49675, 55636, 69545, 77000, 79480, 87428, 99350, 109285, 111272, 139090, 152999, 154000, 158960, 174856, 198700, 218570, 222544, 248375, 278180, 305998, 347725, 349712, 397400, 437140, 496750, 546425, 556360, 611996, 695450, 764995, 794800, 874280, 993500, 1092850, 1112720, 1223992, 1390900, 1529990, 1738625, 1748560, 1987000, 2185700, 2447984, 2732125, 2781800, 3059980, 3477250, 3824975, 3974000, 4371400, 5464250, 5563600, 6119960, 6954500, 7649950, 8742800, 10928500, 12239920, 13909000, 15299900, 19124875, 21857000, 27818000, 30599800, 38249750, 43714000, 61199600, 76499500, 152999000, 305998000]

約数ペア:

[(1, 305998000), (2, 152999000), (4, 76499500), (5, 61199600), (7, 43714000), (8, 38249750), (10, 30599800), (11, 27818000), (14, 21857000), (16, 19124875), (20, 15299900), (22, 13909000), (25, 12239920), (28, 10928500), (35, 8742800), (40, 7649950), (44, 6954500), (50, 6119960), (55, 5563600), (56, 5464250), (70, 4371400), (77, 3974000), (80, 3824975), (88, 3477250), (100, 3059980), (110, 2781800), (112, 2732125), (125, 2447984), (140, 2185700), (154, 1987000), (175, 1748560), (176, 1738625), (200, 1529990), (220, 1390900), (250, 1223992), (275, 1112720), (280, 1092850), (308, 993500), (350, 874280), (385, 794800), (400, 764995), (440, 695450), (500, 611996), (550, 556360), (560, 546425), (616, 496750), (700, 437140), (770, 397400), (875, 349712), (880, 347725), (1000, 305998), (1100, 278180), (1232, 248375), (1375, 222544), (1400, 218570), (1540, 198700), (1750, 174856), (1925, 158960), (1987, 154000), (2000, 152999), (2200, 139090), (2750, 111272), (2800, 109285), (3080, 99350), (3500, 87428), (3850, 79480), (3974, 77000), (4400, 69545), (5500, 55636), (6160, 49675), (7000, 43714), (7700, 39740), (7948, 38500), (9625, 31792), (9935, 30800), (11000, 27818), (13909, 22000), (14000, 21857), (15400, 19870), (15896, 19250)]