2489260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 5304096

約数和(自身を除く): 2814836

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1753, 3506, 7012, 8765, 17530, 35060, 124463, 248926, 497852, 622315, 1244630, 2489260]

約数ペア:

[(1, 2489260), (2, 1244630), (4, 622315), (5, 497852), (10, 248926), (20, 124463), (71, 35060), (142, 17530), (284, 8765), (355, 7012), (710, 3506), (1420, 1753)]