6878420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1439}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 14515200

約数和(自身を除く): 7636780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 1439, 2390, 2878, 4780, 5756, 7195, 14390, 28780, 343921, 687842, 1375684, 1719605, 3439210, 6878420]

約数ペア:

[(1, 6878420), (2, 3439210), (4, 1719605), (5, 1375684), (10, 687842), (20, 343921), (239, 28780), (478, 14390), (956, 7195), (1195, 5756), (1439, 4780), (2390, 2878)]