197641780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1411727}}^1$

素因数の和:1411743

約数の個数: 24

約数和(自身を含む): 474340608

約数和(自身を除く): 276698828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1411727, 2823454, 5646908, 7058635, 9882089, 14117270, 19764178, 28234540, 39528356, 49410445, 98820890, 197641780]

約数ペア:

[(1, 197641780), (2, 98820890), (4, 49410445), (5, 39528356), (7, 28234540), (10, 19764178), (14, 14117270), (20, 9882089), (28, 7058635), (35, 5646908), (70, 2823454), (140, 1411727)]