7770280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27751}}^1$

素因数の和:27769

約数の個数: 32

約数和(自身を含む): 19981440

約数和(自身を除く): 12211160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27751, 55502, 111004, 138755, 194257, 222008, 277510, 388514, 555020, 777028, 971285, 1110040, 1554056, 1942570, 3885140, 7770280]

約数ペア:

[(1, 7770280), (2, 3885140), (4, 1942570), (5, 1554056), (7, 1110040), (8, 971285), (10, 777028), (14, 555020), (20, 388514), (28, 277510), (35, 222008), (40, 194257), (56, 138755), (70, 111004), (140, 55502), (280, 27751)]