278960000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 160

約数和(自身を含む): 759975480

約数和(自身を除く): 481015480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 275, 317, 320, 352, 400, 440, 500, 550, 625, 634, 640, 704, 800, 880, 1000, 1100, 1250, 1268, 1375, 1408, 1585, 1600, 1760, 2000, 2200, 2500, 2536, 2750, 3170, 3200, 3487, 3520, 4000, 4400, 5000, 5072, 5500, 6340, 6875, 6974, 7040, 7925, 8000, 8800, 10000, 10144, 11000, 12680, 13750, 13948, 15850, 16000, 17435, 17600, 20000, 20288, 22000, 25360, 27500, 27896, 31700, 34870, 35200, 39625, 40000, 40576, 44000, 50720, 55000, 55792, 63400, 69740, 79250, 80000, 87175, 88000, 101440, 110000, 111584, 126800, 139480, 158500, 174350, 176000, 198125, 202880, 220000, 223168, 253600, 278960, 317000, 348700, 396250, 435875, 440000, 446336, 507200, 557920, 634000, 697400, 792500, 871750, 880000, 1014400, 1115840, 1268000, 1394800, 1585000, 1743500, 2179375, 2231680, 2536000, 2789600, 3170000, 3487000, 4358750, 5072000, 5579200, 6340000, 6974000, 8717500, 11158400, 12680000, 13948000, 17435000, 25360000, 27896000, 34870000, 55792000, 69740000, 139480000, 278960000]

約数ペア:

[(1, 278960000), (2, 139480000), (4, 69740000), (5, 55792000), (8, 34870000), (10, 27896000), (11, 25360000), (16, 17435000), (20, 13948000), (22, 12680000), (25, 11158400), (32, 8717500), (40, 6974000), (44, 6340000), (50, 5579200), (55, 5072000), (64, 4358750), (80, 3487000), (88, 3170000), (100, 2789600), (110, 2536000), (125, 2231680), (128, 2179375), (160, 1743500), (176, 1585000), (200, 1394800), (220, 1268000), (250, 1115840), (275, 1014400), (317, 880000), (320, 871750), (352, 792500), (400, 697400), (440, 634000), (500, 557920), (550, 507200), (625, 446336), (634, 440000), (640, 435875), (704, 396250), (800, 348700), (880, 317000), (1000, 278960), (1100, 253600), (1250, 223168), (1268, 220000), (1375, 202880), (1408, 198125), (1585, 176000), (1600, 174350), (1760, 158500), (2000, 139480), (2200, 126800), (2500, 111584), (2536, 110000), (2750, 101440), (3170, 88000), (3200, 87175), (3487, 80000), (3520, 79250), (4000, 69740), (4400, 63400), (5000, 55792), (5072, 55000), (5500, 50720), (6340, 44000), (6875, 40576), (6974, 40000), (7040, 39625), (7925, 35200), (8000, 34870), (8800, 31700), (10000, 27896), (10144, 27500), (11000, 25360), (12680, 22000), (13750, 20288), (13948, 20000), (15850, 17600), (16000, 17435)]