638569400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1039}}^1$

素因数の和:1501

約数の個数: 96

約数和(自身を含む): 1702272000

約数和(自身を除く): 1063702600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 439, 700, 878, 1039, 1400, 1756, 2078, 2195, 3073, 3512, 4156, 4390, 5195, 6146, 7273, 8312, 8780, 10390, 10975, 12292, 14546, 15365, 17560, 20780, 21950, 24584, 25975, 29092, 30730, 36365, 41560, 43900, 51950, 58184, 61460, 72730, 76825, 87800, 103900, 122920, 145460, 153650, 181825, 207800, 290920, 307300, 363650, 456121, 614600, 727300, 912242, 1454600, 1824484, 2280605, 3192847, 3648968, 4561210, 6385694, 9122420, 11403025, 12771388, 15964235, 18244840, 22806050, 25542776, 31928470, 45612100, 63856940, 79821175, 91224200, 127713880, 159642350, 319284700, 638569400]

約数ペア:

[(1, 638569400), (2, 319284700), (4, 159642350), (5, 127713880), (7, 91224200), (8, 79821175), (10, 63856940), (14, 45612100), (20, 31928470), (25, 25542776), (28, 22806050), (35, 18244840), (40, 15964235), (50, 12771388), (56, 11403025), (70, 9122420), (100, 6385694), (140, 4561210), (175, 3648968), (200, 3192847), (280, 2280605), (350, 1824484), (439, 1454600), (700, 912242), (878, 727300), (1039, 614600), (1400, 456121), (1756, 363650), (2078, 307300), (2195, 290920), (3073, 207800), (3512, 181825), (4156, 153650), (4390, 145460), (5195, 122920), (6146, 103900), (7273, 87800), (8312, 76825), (8780, 72730), (10390, 61460), (10975, 58184), (12292, 51950), (14546, 43900), (15365, 41560), (17560, 36365), (20780, 30730), (21950, 29092), (24584, 25975)]