7486540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 15840720

約数和(自身を除く): 8354180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2693, 2780, 5386, 10772, 13465, 26930, 53860, 374327, 748654, 1497308, 1871635, 3743270, 7486540]

約数ペア:

[(1, 7486540), (2, 3743270), (4, 1871635), (5, 1497308), (10, 748654), (20, 374327), (139, 53860), (278, 26930), (556, 13465), (695, 10772), (1390, 5386), (2693, 2780)]