2161460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15439}}^1$

素因数の和:15455

約数の個数: 24

約数和(自身を含む): 5187840

約数和(自身を除く): 3026380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15439, 30878, 61756, 77195, 108073, 154390, 216146, 308780, 432292, 540365, 1080730, 2161460]

約数ペア:

[(1, 2161460), (2, 1080730), (4, 540365), (5, 432292), (7, 308780), (10, 216146), (14, 154390), (20, 108073), (28, 77195), (35, 61756), (70, 30878), (140, 15439)]