7840490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{16001}}^1$

素因数の和:16022

約数の個数: 24

約数和(自身を含む): 16418052

約数和(自身を除く): 8577562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 16001, 32002, 80005, 112007, 160010, 224014, 560035, 784049, 1120070, 1568098, 3920245, 7840490]

約数ペア:

[(1, 7840490), (2, 3920245), (5, 1568098), (7, 1120070), (10, 784049), (14, 560035), (35, 224014), (49, 160010), (70, 112007), (98, 80005), (245, 32002), (490, 16001)]