2049460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14639}}^1$

素因数の和:14655

約数の個数: 24

約数和(自身を含む): 4919040

約数和(自身を除く): 2869580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14639, 29278, 58556, 73195, 102473, 146390, 204946, 292780, 409892, 512365, 1024730, 2049460]

約数ペア:

[(1, 2049460), (2, 1024730), (4, 512365), (5, 409892), (7, 292780), (10, 204946), (14, 146390), (20, 102473), (28, 73195), (35, 58556), (70, 29278), (140, 14639)]