7286380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 15417360

約数和(自身を除く): 8130980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2621, 2780, 5242, 10484, 13105, 26210, 52420, 364319, 728638, 1457276, 1821595, 3643190, 7286380]

約数ペア:

[(1, 7286380), (2, 3643190), (4, 1821595), (5, 1457276), (10, 728638), (20, 364319), (139, 52420), (278, 26210), (556, 13105), (695, 10484), (1390, 5242), (2621, 2780)]