667340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 1426992

約数和(自身を除く): 759652

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 547, 610, 1094, 1220, 2188, 2735, 5470, 10940, 33367, 66734, 133468, 166835, 333670, 667340]

約数ペア:

[(1, 667340), (2, 333670), (4, 166835), (5, 133468), (10, 66734), (20, 33367), (61, 10940), (122, 5470), (244, 2735), (305, 2188), (547, 1220), (610, 1094)]