201029990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2871857}}^1$

素因数の和:2871871

約数の個数: 16

約数和(自身を含む): 413547552

約数和(自身を除く): 212517562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2871857, 5743714, 14359285, 20102999, 28718570, 40205998, 100514995, 201029990]

約数ペア:

[(1, 201029990), (2, 100514995), (5, 40205998), (7, 28718570), (10, 20102999), (14, 14359285), (35, 5743714), (70, 2871857)]