493871120

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{31337}}^1$

素因数の和:31547

約数の個数: 40

約数和(自身を含む): 1154115864

約数和(自身を除く): 660244744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 31337, 62674, 125348, 156685, 250696, 313370, 501392, 626740, 1253480, 2506960, 6173389, 12346778, 24693556, 30866945, 49387112, 61733890, 98774224, 123467780, 246935560, 493871120]

約数ペア:

[(1, 493871120), (2, 246935560), (4, 123467780), (5, 98774224), (8, 61733890), (10, 49387112), (16, 30866945), (20, 24693556), (40, 12346778), (80, 6173389), (197, 2506960), (394, 1253480), (788, 626740), (985, 501392), (1576, 313370), (1970, 250696), (3152, 156685), (3940, 125348), (7880, 62674), (15760, 31337)]