63856940

素因数分解:

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

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 153753600

約数和(自身を除く): 89896660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1039, 1756, 2078, 2195, 3073, 4156, 4390, 5195, 6146, 7273, 8780, 10390, 12292, 14546, 15365, 20780, 29092, 30730, 36365, 61460, 72730, 145460, 456121, 912242, 1824484, 2280605, 3192847, 4561210, 6385694, 9122420, 12771388, 15964235, 31928470, 63856940]

約数ペア:

[(1, 63856940), (2, 31928470), (4, 15964235), (5, 12771388), (7, 9122420), (10, 6385694), (14, 4561210), (20, 3192847), (28, 2280605), (35, 1824484), (70, 912242), (140, 456121), (439, 145460), (878, 72730), (1039, 61460), (1756, 36365), (2078, 30730), (2195, 29092), (3073, 20780), (4156, 15365), (4390, 14546), (5195, 12292), (6146, 10390), (7273, 8780)]