131542040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469793}}^1$

素因数の和:469811

約数の個数: 32

約数和(自身を含む): 338251680

約数和(自身を除く): 206709640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469793, 939586, 1879172, 2348965, 3288551, 3758344, 4697930, 6577102, 9395860, 13154204, 16442755, 18791720, 26308408, 32885510, 65771020, 131542040]

約数ペア:

[(1, 131542040), (2, 65771020), (4, 32885510), (5, 26308408), (7, 18791720), (8, 16442755), (10, 13154204), (14, 9395860), (20, 6577102), (28, 4697930), (35, 3758344), (40, 3288551), (56, 2348965), (70, 1879172), (140, 939586), (280, 469793)]