256540310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151799}}^1$

素因数の和:151832

約数の個数: 24

約数和(自身を含む): 500029200

約数和(自身を除く): 243488890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 151799, 303598, 758995, 1517990, 1973387, 3946774, 9866935, 19733870, 25654031, 51308062, 128270155, 256540310]

約数ペア:

[(1, 256540310), (2, 128270155), (5, 51308062), (10, 25654031), (13, 19733870), (26, 9866935), (65, 3946774), (130, 1973387), (169, 1517990), (338, 758995), (845, 303598), (1690, 151799)]