308040080

素因数分解:

$2^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{4493}}^1$

素因数の和:5363

約数の個数: 40

約数和(自身を含む): 717188472

約数和(自身を除く): 409148392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857, 1714, 3428, 4285, 4493, 6856, 8570, 8986, 13712, 17140, 17972, 22465, 34280, 35944, 44930, 68560, 71888, 89860, 179720, 359440, 3850501, 7701002, 15402004, 19252505, 30804008, 38505010, 61608016, 77010020, 154020040, 308040080]

約数ペア:

[(1, 308040080), (2, 154020040), (4, 77010020), (5, 61608016), (8, 38505010), (10, 30804008), (16, 19252505), (20, 15402004), (40, 7701002), (80, 3850501), (857, 359440), (1714, 179720), (3428, 89860), (4285, 71888), (4493, 68560), (6856, 44930), (8570, 35944), (8986, 34280), (13712, 22465), (17140, 17972)]