201789910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{2857}}^1$

素因数の和:3880

約数の個数: 32

約数和(自身を含む): 415667520

約数和(自身を除く): 213877610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1009, 2018, 2857, 5045, 5714, 7063, 10090, 14126, 14285, 19999, 28570, 35315, 39998, 70630, 99995, 199990, 2882713, 5765426, 14413565, 20178991, 28827130, 40357982, 100894955, 201789910]

約数ペア:

[(1, 201789910), (2, 100894955), (5, 40357982), (7, 28827130), (10, 20178991), (14, 14413565), (35, 5765426), (70, 2882713), (1009, 199990), (2018, 99995), (2857, 70630), (5045, 39998), (5714, 35315), (7063, 28570), (10090, 19999), (14126, 14285)]