871340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 1926960

約数和(自身を除く): 1055620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2293, 4586, 9172, 11465, 22930, 43567, 45860, 87134, 174268, 217835, 435670, 871340]

約数ペア:

[(1, 871340), (2, 435670), (4, 217835), (5, 174268), (10, 87134), (19, 45860), (20, 43567), (38, 22930), (76, 11465), (95, 9172), (190, 4586), (380, 2293)]