2254580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 4774560

約数和(自身を除く): 2519980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 811, 1390, 1622, 2780, 3244, 4055, 8110, 16220, 112729, 225458, 450916, 563645, 1127290, 2254580]

約数ペア:

[(1, 2254580), (2, 1127290), (4, 563645), (5, 450916), (10, 225458), (20, 112729), (139, 16220), (278, 8110), (556, 4055), (695, 3244), (811, 2780), (1390, 1622)]