201678890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2881127}}^1$

素因数の和:2881141

約数の個数: 16

約数和(自身を含む): 414882432

約数和(自身を除く): 213203542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2881127, 5762254, 14405635, 20167889, 28811270, 40335778, 100839445, 201678890]

約数ペア:

[(1, 201678890), (2, 100839445), (5, 40335778), (7, 28811270), (10, 20167889), (14, 14405635), (35, 5762254), (70, 2881127)]