684243580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1800641}}^1$

素因数の和:1800669

約数の個数: 24

約数和(自身を含む): 1512539280

約数和(自身を除く): 828295700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1800641, 3601282, 7202564, 9003205, 18006410, 34212179, 36012820, 68424358, 136848716, 171060895, 342121790, 684243580]

約数ペア:

[(1, 684243580), (2, 342121790), (4, 171060895), (5, 136848716), (10, 68424358), (19, 36012820), (20, 34212179), (38, 18006410), (76, 9003205), (95, 7202564), (190, 3601282), (380, 1800641)]