200819990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2868857}}^1$

素因数の和:2868871

約数の個数: 16

約数和(自身を含む): 413115552

約数和(自身を除く): 212295562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2868857, 5737714, 14344285, 20081999, 28688570, 40163998, 100409995, 200819990]

約数ペア:

[(1, 200819990), (2, 100409995), (5, 40163998), (7, 28688570), (10, 20081999), (14, 14344285), (35, 5737714), (70, 2868857)]