999697090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{20143}}^1$

素因数の和:20866

約数の個数: 32

約数和(自身を含む): 2059522560

約数和(自身を除く): 1059825470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 709, 1418, 3545, 4963, 7090, 9926, 20143, 24815, 40286, 49630, 100715, 141001, 201430, 282002, 705005, 1410010, 14281387, 28562774, 71406935, 99969709, 142813870, 199939418, 499848545, 999697090]

約数ペア:

[(1, 999697090), (2, 499848545), (5, 199939418), (7, 142813870), (10, 99969709), (14, 71406935), (35, 28562774), (70, 14281387), (709, 1410010), (1418, 705005), (3545, 282002), (4963, 201430), (7090, 141001), (9926, 100715), (20143, 49630), (24815, 40286)]