208348740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385831}}^1$

素因数の和:385849

約数の個数: 48

約数和(自身を含む): 648197760

約数和(自身を除く): 439849020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 385831, 771662, 1157493, 1543324, 1929155, 2314986, 3472479, 3858310, 4629972, 5787465, 6944958, 7716620, 10417437, 11574930, 13889916, 17362395, 20834874, 23149860, 34724790, 41669748, 52087185, 69449580, 104174370, 208348740]

約数ペア:

[(1, 208348740), (2, 104174370), (3, 69449580), (4, 52087185), (5, 41669748), (6, 34724790), (9, 23149860), (10, 20834874), (12, 17362395), (15, 13889916), (18, 11574930), (20, 10417437), (27, 7716620), (30, 6944958), (36, 5787465), (45, 4629972), (54, 3858310), (60, 3472479), (90, 2314986), (108, 1929155), (135, 1543324), (180, 1157493), (270, 771662), (540, 385831)]