1389804580

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{360053}}^1$

素因数の和:360255

約数の個数: 24

約数和(自身を含む): 2933719992

約数和(自身を除く): 1543915412

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 360053, 720106, 1440212, 1800265, 3600530, 7201060, 69490229, 138980458, 277960916, 347451145, 694902290, 1389804580]

約数ペア:

[(1, 1389804580), (2, 694902290), (4, 347451145), (5, 277960916), (10, 138980458), (20, 69490229), (193, 7201060), (386, 3600530), (772, 1800265), (965, 1440212), (1930, 720106), (3860, 360053)]