1006780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 2147040

約数和(自身を除く): 1140260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 709, 710, 1418, 1420, 2836, 3545, 7090, 14180, 50339, 100678, 201356, 251695, 503390, 1006780]

約数ペア:

[(1, 1006780), (2, 503390), (4, 251695), (5, 201356), (10, 100678), (20, 50339), (71, 14180), (142, 7090), (284, 3545), (355, 2836), (709, 1420), (710, 1418)]