666680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2381}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 1715040

約数和(自身を除く): 1048360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2381, 4762, 9524, 11905, 16667, 19048, 23810, 33334, 47620, 66668, 83335, 95240, 133336, 166670, 333340, 666680]

約数ペア:

[(1, 666680), (2, 333340), (4, 166670), (5, 133336), (7, 95240), (8, 83335), (10, 66668), (14, 47620), (20, 33334), (28, 23810), (35, 19048), (40, 16667), (56, 11905), (70, 9524), (140, 4762), (280, 2381)]