549980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 1170288

約数和(自身を除く): 620308

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 257, 428, 514, 535, 1028, 1070, 1285, 2140, 2570, 5140, 27499, 54998, 109996, 137495, 274990, 549980]

約数ペア:

[(1, 549980), (2, 274990), (4, 137495), (5, 109996), (10, 54998), (20, 27499), (107, 5140), (214, 2570), (257, 2140), (428, 1285), (514, 1070), (535, 1028)]