28924420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206603}}^1$

素因数の和:206619

約数の個数: 24

約数和(自身を含む): 69418944

約数和(自身を除く): 40494524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206603, 413206, 826412, 1033015, 1446221, 2066030, 2892442, 4132060, 5784884, 7231105, 14462210, 28924420]

約数ペア:

[(1, 28924420), (2, 14462210), (4, 7231105), (5, 5784884), (7, 4132060), (10, 2892442), (14, 2066030), (20, 1446221), (28, 1033015), (35, 826412), (70, 413206), (140, 206603)]