158956000

素因数分解:

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

素因数の和:850

約数の個数: 144

約数和(自身を含む): 454879152

約数和(自身を除く): 295923152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 800, 811, 875, 980, 1000, 1120, 1225, 1400, 1568, 1622, 1750, 1960, 2000, 2450, 2800, 3244, 3500, 3920, 4000, 4055, 4900, 5600, 5677, 6125, 6488, 7000, 7840, 8110, 9800, 11354, 12250, 12976, 14000, 16220, 19600, 20275, 22708, 24500, 25952, 28000, 28385, 32440, 39200, 39739, 40550, 45416, 49000, 56770, 64880, 79478, 81100, 90832, 98000, 101375, 113540, 129760, 141925, 158956, 162200, 181664, 196000, 198695, 202750, 227080, 283850, 317912, 324400, 397390, 405500, 454160, 567700, 635824, 648800, 709625, 794780, 811000, 908320, 993475, 1135400, 1271648, 1419250, 1589560, 1622000, 1986950, 2270800, 2838500, 3179120, 3244000, 3973900, 4541600, 4967375, 5677000, 6358240, 7947800, 9934750, 11354000, 15895600, 19869500, 22708000, 31791200, 39739000, 79478000, 158956000]

約数ペア:

[(1, 158956000), (2, 79478000), (4, 39739000), (5, 31791200), (7, 22708000), (8, 19869500), (10, 15895600), (14, 11354000), (16, 9934750), (20, 7947800), (25, 6358240), (28, 5677000), (32, 4967375), (35, 4541600), (40, 3973900), (49, 3244000), (50, 3179120), (56, 2838500), (70, 2270800), (80, 1986950), (98, 1622000), (100, 1589560), (112, 1419250), (125, 1271648), (140, 1135400), (160, 993475), (175, 908320), (196, 811000), (200, 794780), (224, 709625), (245, 648800), (250, 635824), (280, 567700), (350, 454160), (392, 405500), (400, 397390), (490, 324400), (500, 317912), (560, 283850), (700, 227080), (784, 202750), (800, 198695), (811, 196000), (875, 181664), (980, 162200), (1000, 158956), (1120, 141925), (1225, 129760), (1400, 113540), (1568, 101375), (1622, 98000), (1750, 90832), (1960, 81100), (2000, 79478), (2450, 64880), (2800, 56770), (3244, 49000), (3500, 45416), (3920, 40550), (4000, 39739), (4055, 39200), (4900, 32440), (5600, 28385), (5677, 28000), (6125, 25952), (6488, 24500), (7000, 22708), (7840, 20275), (8110, 19600), (9800, 16220), (11354, 14000), (12250, 12976)]