810436940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{417751}}^1$

素因数の和:417857

約数の個数: 24

約数和(自身を含む): 1719467232

約数和(自身を除く): 909030292

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 417751, 835502, 1671004, 2088755, 4177510, 8355020, 40521847, 81043694, 162087388, 202609235, 405218470, 810436940]

約数ペア:

[(1, 810436940), (2, 405218470), (4, 202609235), (5, 162087388), (10, 81043694), (20, 40521847), (97, 8355020), (194, 4177510), (388, 2088755), (485, 1671004), (970, 835502), (1940, 417751)]