1423780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 3012408

約数和(自身を除く): 1588628

約数列:

[1, 2, 4, 5, 10, 20, 257, 277, 514, 554, 1028, 1108, 1285, 1385, 2570, 2770, 5140, 5540, 71189, 142378, 284756, 355945, 711890, 1423780]

約数ペア:

[(1, 1423780), (2, 711890), (4, 355945), (5, 284756), (10, 142378), (20, 71189), (257, 5540), (277, 5140), (514, 2770), (554, 2570), (1028, 1385), (1108, 1285)]