210858580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{554891}}^1$

素因数の和:554919

約数の個数: 24

約数和(自身を含む): 466109280

約数和(自身を除く): 255250700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 554891, 1109782, 2219564, 2774455, 5548910, 10542929, 11097820, 21085858, 42171716, 52714645, 105429290, 210858580]

約数ペア:

[(1, 210858580), (2, 105429290), (4, 52714645), (5, 42171716), (10, 21085858), (19, 11097820), (20, 10542929), (38, 5548910), (76, 2774455), (95, 2219564), (190, 1109782), (380, 554891)]