836140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 1778112

約数和(自身を除く): 941972

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 431, 485, 862, 970, 1724, 1940, 2155, 4310, 8620, 41807, 83614, 167228, 209035, 418070, 836140]

約数ペア:

[(1, 836140), (2, 418070), (4, 209035), (5, 167228), (10, 83614), (20, 41807), (97, 8620), (194, 4310), (388, 2155), (431, 1940), (485, 1724), (862, 970)]