79478000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{811}}^1$

素因数の和:848

約数の個数: 120

約数和(自身を含む): 223829424

約数和(自身を除く): 144351424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 811, 875, 980, 1000, 1225, 1400, 1622, 1750, 1960, 2000, 2450, 2800, 3244, 3500, 3920, 4055, 4900, 5677, 6125, 6488, 7000, 8110, 9800, 11354, 12250, 12976, 14000, 16220, 19600, 20275, 22708, 24500, 28385, 32440, 39739, 40550, 45416, 49000, 56770, 64880, 79478, 81100, 90832, 98000, 101375, 113540, 141925, 158956, 162200, 198695, 202750, 227080, 283850, 317912, 324400, 397390, 405500, 454160, 567700, 635824, 709625, 794780, 811000, 993475, 1135400, 1419250, 1589560, 1622000, 1986950, 2270800, 2838500, 3179120, 3973900, 4967375, 5677000, 7947800, 9934750, 11354000, 15895600, 19869500, 39739000, 79478000]

約数ペア:

[(1, 79478000), (2, 39739000), (4, 19869500), (5, 15895600), (7, 11354000), (8, 9934750), (10, 7947800), (14, 5677000), (16, 4967375), (20, 3973900), (25, 3179120), (28, 2838500), (35, 2270800), (40, 1986950), (49, 1622000), (50, 1589560), (56, 1419250), (70, 1135400), (80, 993475), (98, 811000), (100, 794780), (112, 709625), (125, 635824), (140, 567700), (175, 454160), (196, 405500), (200, 397390), (245, 324400), (250, 317912), (280, 283850), (350, 227080), (392, 202750), (400, 198695), (490, 162200), (500, 158956), (560, 141925), (700, 113540), (784, 101375), (811, 98000), (875, 90832), (980, 81100), (1000, 79478), (1225, 64880), (1400, 56770), (1622, 49000), (1750, 45416), (1960, 40550), (2000, 39739), (2450, 32440), (2800, 28385), (3244, 24500), (3500, 22708), (3920, 20275), (4055, 19600), (4900, 16220), (5677, 14000), (6125, 12976), (6488, 12250), (7000, 11354), (8110, 9800)]