1277480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 2910600

約数和(自身を除く): 1633120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 293, 436, 545, 586, 872, 1090, 1172, 1465, 2180, 2344, 2930, 4360, 5860, 11720, 31937, 63874, 127748, 159685, 255496, 319370, 638740, 1277480]

約数ペア:

[(1, 1277480), (2, 638740), (4, 319370), (5, 255496), (8, 159685), (10, 127748), (20, 63874), (40, 31937), (109, 11720), (218, 5860), (293, 4360), (436, 2930), (545, 2344), (586, 2180), (872, 1465), (1090, 1172)]