1282340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 2724792

約数和(自身を除く): 1442452

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 661, 970, 1322, 1940, 2644, 3305, 6610, 13220, 64117, 128234, 256468, 320585, 641170, 1282340]

約数ペア:

[(1, 1282340), (2, 641170), (4, 320585), (5, 256468), (10, 128234), (20, 64117), (97, 13220), (194, 6610), (388, 3305), (485, 2644), (661, 1940), (970, 1322)]