1880305490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{26861507}}^1$

素因数の和:26861521

約数の個数: 16

約数和(自身を含む): 3868057152

約数和(自身を除く): 1987751662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 26861507, 53723014, 134307535, 188030549, 268615070, 376061098, 940152745, 1880305490]

約数ペア:

[(1, 1880305490), (2, 940152745), (5, 376061098), (7, 268615070), (10, 188030549), (14, 134307535), (35, 53723014), (70, 26861507)]