2256460

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 4767840

約数和(自身を除く): 2511380

約数列:

[1, 2, 4, 5, 10, 20, 257, 439, 514, 878, 1028, 1285, 1756, 2195, 2570, 4390, 5140, 8780, 112823, 225646, 451292, 564115, 1128230, 2256460]

約数ペア:

[(1, 2256460), (2, 1128230), (4, 564115), (5, 451292), (10, 225646), (20, 112823), (257, 8780), (439, 5140), (514, 4390), (878, 2570), (1028, 2195), (1285, 1756)]