28929460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206639}}^1$

素因数の和:206655

約数の個数: 24

約数和(自身を含む): 69431040

約数和(自身を除く): 40501580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206639, 413278, 826556, 1033195, 1446473, 2066390, 2892946, 4132780, 5785892, 7232365, 14464730, 28929460]

約数ペア:

[(1, 28929460), (2, 14464730), (4, 7232365), (5, 5785892), (7, 4132780), (10, 2892946), (14, 2066390), (20, 1446473), (28, 1033195), (35, 826556), (70, 413278), (140, 206639)]