78131270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2729}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 161179200

約数和(自身を除く): 83047930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2729, 2863, 4090, 5458, 5726, 13645, 14315, 19103, 27290, 28630, 38206, 95515, 191030, 1116161, 2232322, 5580805, 7813127, 11161610, 15626254, 39065635, 78131270]

約数ペア:

[(1, 78131270), (2, 39065635), (5, 15626254), (7, 11161610), (10, 7813127), (14, 5580805), (35, 2232322), (70, 1116161), (409, 191030), (818, 95515), (2045, 38206), (2729, 28630), (2863, 27290), (4090, 19103), (5458, 14315), (5726, 13645)]