7429780

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1381}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 15671880

約数和(自身を除く): 8242100

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 1381, 2690, 2762, 5380, 5524, 6905, 13810, 27620, 371489, 742978, 1485956, 1857445, 3714890, 7429780]

約数ペア:

[(1, 7429780), (2, 3714890), (4, 1857445), (5, 1485956), (10, 742978), (20, 371489), (269, 27620), (538, 13810), (1076, 6905), (1345, 5524), (1381, 5380), (2690, 2762)]