30439404

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{11909}}^1$

素因数の和:11990

約数の個数: 36

約数和(自身を含む): 78034320

約数和(自身を除く): 47594916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 11909, 23818, 35727, 47636, 71454, 107181, 142908, 214362, 428724, 845539, 1691078, 2536617, 3382156, 5073234, 7609851, 10146468, 15219702, 30439404]

約数ペア:

[(1, 30439404), (2, 15219702), (3, 10146468), (4, 7609851), (6, 5073234), (9, 3382156), (12, 2536617), (18, 1691078), (36, 845539), (71, 428724), (142, 214362), (213, 142908), (284, 107181), (426, 71454), (639, 47636), (852, 35727), (1278, 23818), (2556, 11909)]