138923260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{992309}}^1$

素因数の和:992325

約数の個数: 24

約数和(自身を含む): 333416160

約数和(自身を除く): 194492900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 992309, 1984618, 3969236, 4961545, 6946163, 9923090, 13892326, 19846180, 27784652, 34730815, 69461630, 138923260]

約数ペア:

[(1, 138923260), (2, 69461630), (4, 34730815), (5, 27784652), (7, 19846180), (10, 13892326), (14, 9923090), (20, 6946163), (28, 4961545), (35, 3969236), (70, 1984618), (140, 992309)]