82712980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{84401}}^1$

素因数の和:84424

約数の個数: 36

約数和(自身を含む): 202058388

約数和(自身を除く): 119345408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 84401, 168802, 337604, 422005, 590807, 844010, 1181614, 1688020, 2363228, 2954035, 4135649, 5908070, 8271298, 11816140, 16542596, 20678245, 41356490, 82712980]

約数ペア:

[(1, 82712980), (2, 41356490), (4, 20678245), (5, 16542596), (7, 11816140), (10, 8271298), (14, 5908070), (20, 4135649), (28, 2954035), (35, 2363228), (49, 1688020), (70, 1181614), (98, 844010), (140, 590807), (196, 422005), (245, 337604), (490, 168802), (980, 84401)]