2454220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 5184144

約数和(自身を除く): 2729924

約数列:

[1, 2, 4, 5, 10, 20, 277, 443, 554, 886, 1108, 1385, 1772, 2215, 2770, 4430, 5540, 8860, 122711, 245422, 490844, 613555, 1227110, 2454220]

約数ペア:

[(1, 2454220), (2, 1227110), (4, 613555), (5, 490844), (10, 245422), (20, 122711), (277, 8860), (443, 5540), (554, 4430), (886, 2770), (1108, 2215), (1385, 1772)]