139594280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{498551}}^1$

素因数の和:498569

約数の個数: 32

約数和(自身を含む): 358957440

約数和(自身を除く): 219363160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 498551, 997102, 1994204, 2492755, 3489857, 3988408, 4985510, 6979714, 9971020, 13959428, 17449285, 19942040, 27918856, 34898570, 69797140, 139594280]

約数ペア:

[(1, 139594280), (2, 69797140), (4, 34898570), (5, 27918856), (7, 19942040), (8, 17449285), (10, 13959428), (14, 9971020), (20, 6979714), (28, 4985510), (35, 3988408), (40, 3489857), (56, 2492755), (70, 1994204), (140, 997102), (280, 498551)]