2931460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20939}}^1$

素因数の和:20955

約数の個数: 24

約数和(自身を含む): 7035840

約数和(自身を除く): 4104380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20939, 41878, 83756, 104695, 146573, 209390, 293146, 418780, 586292, 732865, 1465730, 2931460]

約数ペア:

[(1, 2931460), (2, 1465730), (4, 732865), (5, 586292), (7, 418780), (10, 293146), (14, 209390), (20, 146573), (28, 104695), (35, 83756), (70, 41878), (140, 20939)]