138670810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{195311}}^1$

素因数の和:195389

約数の個数: 16

約数和(自身を含む): 253124352

約数和(自身を除く): 114453542

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 195311, 390622, 976555, 1953110, 13867081, 27734162, 69335405, 138670810]

約数ペア:

[(1, 138670810), (2, 69335405), (5, 27734162), (10, 13867081), (71, 1953110), (142, 976555), (355, 390622), (710, 195311)]