394286620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{216641}}^1$

素因数の和:216670

約数の個数: 48

約数和(自身を含む): 1019083968

約数和(自身を除く): 624797348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 216641, 433282, 866564, 1083205, 1516487, 2166410, 2816333, 3032974, 4332820, 5632666, 6065948, 7582435, 11265332, 14081665, 15164870, 19714331, 28163330, 30329740, 39428662, 56326660, 78857324, 98571655, 197143310, 394286620]

約数ペア:

[(1, 394286620), (2, 197143310), (4, 98571655), (5, 78857324), (7, 56326660), (10, 39428662), (13, 30329740), (14, 28163330), (20, 19714331), (26, 15164870), (28, 14081665), (35, 11265332), (52, 7582435), (65, 6065948), (70, 5632666), (91, 4332820), (130, 3032974), (140, 2816333), (182, 2166410), (260, 1516487), (364, 1083205), (455, 866564), (910, 433282), (1820, 216641)]