12890290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 26780544

約数和(自身を除く): 13890254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 1721, 3442, 3745, 7490, 8605, 12047, 17210, 24094, 60235, 120470, 184147, 368294, 920735, 1289029, 1841470, 2578058, 6445145, 12890290]

約数ペア:

[(1, 12890290), (2, 6445145), (5, 2578058), (7, 1841470), (10, 1289029), (14, 920735), (35, 368294), (70, 184147), (107, 120470), (214, 60235), (535, 24094), (749, 17210), (1070, 12047), (1498, 8605), (1721, 7490), (3442, 3745)]