2118906580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15135047}}^1$

素因数の和:15135063

約数の個数: 24

約数和(自身を含む): 5085376128

約数和(自身を除く): 2966469548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15135047, 30270094, 60540188, 75675235, 105945329, 151350470, 211890658, 302700940, 423781316, 529726645, 1059453290, 2118906580]

約数ペア:

[(1, 2118906580), (2, 1059453290), (4, 529726645), (5, 423781316), (7, 302700940), (10, 211890658), (14, 151350470), (20, 105945329), (28, 75675235), (35, 60540188), (70, 30270094), (140, 15135047)]