189184760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{43391}}^1$

素因数の和:43511

約数の個数: 32

約数和(自身を含む): 429580800

約数和(自身を除く): 240396040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 43391, 86782, 173564, 216955, 347128, 433910, 867820, 1735640, 4729619, 9459238, 18918476, 23648095, 37836952, 47296190, 94592380, 189184760]

約数ペア:

[(1, 189184760), (2, 94592380), (4, 47296190), (5, 37836952), (8, 23648095), (10, 18918476), (20, 9459238), (40, 4729619), (109, 1735640), (218, 867820), (436, 433910), (545, 347128), (872, 216955), (1090, 173564), (2180, 86782), (4360, 43391)]