899346490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1835401}}^1$

素因数の和:1835422

約数の個数: 24

約数和(自身を含む): 1883122452

約数和(自身を除く): 983775962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1835401, 3670802, 9177005, 12847807, 18354010, 25695614, 64239035, 89934649, 128478070, 179869298, 449673245, 899346490]

約数ペア:

[(1, 899346490), (2, 449673245), (5, 179869298), (7, 128478070), (10, 89934649), (14, 64239035), (35, 25695614), (49, 18354010), (70, 12847807), (98, 9177005), (245, 3670802), (490, 1835401)]