2860340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20447

約数の個数: 24

約数和(自身を含む): 6865152

約数和(自身を除く): 4004812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20431, 40862, 81724, 102155, 143017, 204310, 286034, 408620, 572068, 715085, 1430170, 2860340]

約数ペア:

[(1, 2860340), (2, 1430170), (4, 715085), (5, 572068), (7, 408620), (10, 286034), (14, 204310), (20, 143017), (28, 102155), (35, 81724), (70, 40862), (140, 20431)]