218974780

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{8377}}^1$

素因数の和:9693

約数の個数: 24

約数和(自身を含む): 460253808

約数和(自身を除く): 241279028

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 5228, 6535, 8377, 13070, 16754, 26140, 33508, 41885, 83770, 167540, 10948739, 21897478, 43794956, 54743695, 109487390, 218974780]

約数ペア:

[(1, 218974780), (2, 109487390), (4, 54743695), (5, 43794956), (10, 21897478), (20, 10948739), (1307, 167540), (2614, 83770), (5228, 41885), (6535, 33508), (8377, 26140), (13070, 16754)]