7438940

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{859}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 15676080

約数和(自身を除く): 8237140

約数列:

[1, 2, 4, 5, 10, 20, 433, 859, 866, 1718, 1732, 2165, 3436, 4295, 4330, 8590, 8660, 17180, 371947, 743894, 1487788, 1859735, 3719470, 7438940]

約数ペア:

[(1, 7438940), (2, 3719470), (4, 1859735), (5, 1487788), (10, 743894), (20, 371947), (433, 17180), (859, 8660), (866, 8590), (1718, 4330), (1732, 4295), (2165, 3436)]