205086340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{144427}}^1$

素因数の和:144507

約数の個数: 24

約数和(自身を含む): 436750272

約数和(自身を除く): 231663932

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 144427, 288854, 577708, 722135, 1444270, 2888540, 10254317, 20508634, 41017268, 51271585, 102543170, 205086340]

約数ペア:

[(1, 205086340), (2, 102543170), (4, 51271585), (5, 41017268), (10, 20508634), (20, 10254317), (71, 2888540), (142, 1444270), (284, 722135), (355, 577708), (710, 288854), (1420, 144427)]