378913580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997141}}^1$

素因数の和:997169

約数の個数: 24

約数和(自身を含む): 837599280

約数和(自身を除く): 458685700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 997141, 1994282, 3988564, 4985705, 9971410, 18945679, 19942820, 37891358, 75782716, 94728395, 189456790, 378913580]

約数ペア:

[(1, 378913580), (2, 189456790), (4, 94728395), (5, 75782716), (10, 37891358), (19, 19942820), (20, 18945679), (38, 9971410), (76, 4985705), (95, 3988564), (190, 1994282), (380, 997141)]