2478796060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{221717}}^1$

素因数の和:221782

約数の個数: 48

約数和(自身を含む): 5736288096

約数和(自身を除く): 3257492036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 221717, 443434, 886868, 1108585, 2217170, 2882321, 4434340, 5764642, 9533831, 11529284, 14411605, 19067662, 28823210, 38135324, 47669155, 57646420, 95338310, 123939803, 190676620, 247879606, 495759212, 619699015, 1239398030, 2478796060]

約数ペア:

[(1, 2478796060), (2, 1239398030), (4, 619699015), (5, 495759212), (10, 247879606), (13, 190676620), (20, 123939803), (26, 95338310), (43, 57646420), (52, 47669155), (65, 38135324), (86, 28823210), (130, 19067662), (172, 14411605), (215, 11529284), (260, 9533831), (430, 5764642), (559, 4434340), (860, 2882321), (1118, 2217170), (2236, 1108585), (2795, 886868), (5590, 443434), (11180, 221717)]