977441380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{688339}}^1$

素因数の和:688419

約数の個数: 24

約数和(自身を含む): 2081540160

約数和(自身を除く): 1104098780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 688339, 1376678, 2753356, 3441695, 6883390, 13766780, 48872069, 97744138, 195488276, 244360345, 488720690, 977441380]

約数ペア:

[(1, 977441380), (2, 488720690), (4, 244360345), (5, 195488276), (10, 97744138), (20, 48872069), (71, 13766780), (142, 6883390), (284, 3441695), (355, 2753356), (710, 1376678), (1420, 688339)]