87779090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{499}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 184680000

約数和(自身を除く): 96900910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 359, 490, 499, 718, 998, 1795, 2495, 2513, 3493, 3590, 4990, 5026, 6986, 12565, 17465, 17591, 24451, 25130, 34930, 35182, 48902, 87955, 122255, 175910, 179141, 244510, 358282, 895705, 1253987, 1791410, 2507974, 6269935, 8777909, 12539870, 17555818, 43889545, 87779090]

約数ペア:

[(1, 87779090), (2, 43889545), (5, 17555818), (7, 12539870), (10, 8777909), (14, 6269935), (35, 2507974), (49, 1791410), (70, 1253987), (98, 895705), (245, 358282), (359, 244510), (490, 179141), (499, 175910), (718, 122255), (998, 87955), (1795, 48902), (2495, 35182), (2513, 34930), (3493, 25130), (3590, 24451), (4990, 17591), (5026, 17465), (6986, 12565)]