87169460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622639}}^1$

素因数の和:622655

約数の個数: 24

約数和(自身を含む): 209207040

約数和(自身を除く): 122037580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622639, 1245278, 2490556, 3113195, 4358473, 6226390, 8716946, 12452780, 17433892, 21792365, 43584730, 87169460]

約数ペア:

[(1, 87169460), (2, 43584730), (4, 21792365), (5, 17433892), (7, 12452780), (10, 8716946), (14, 6226390), (20, 4358473), (28, 3113195), (35, 2490556), (70, 1245278), (140, 622639)]