3997340

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{743}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 8436960

約数和(自身を除く): 4439620

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 743, 1076, 1345, 1486, 2690, 2972, 3715, 5380, 7430, 14860, 199867, 399734, 799468, 999335, 1998670, 3997340]

約数ペア:

[(1, 3997340), (2, 1998670), (4, 999335), (5, 799468), (10, 399734), (20, 199867), (269, 14860), (538, 7430), (743, 5380), (1076, 3715), (1345, 2972), (1486, 2690)]