271787620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{8231}}^1$

素因数の和:8380

約数の個数: 48

約数和(自身を含む): 619573248

約数和(自身を除く): 347785628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8231, 8255, 16462, 16510, 32924, 33020, 41155, 82310, 107003, 164620, 214006, 428012, 535015, 1045337, 1070030, 2090674, 2140060, 4181348, 5226685, 10453370, 13589381, 20906740, 27178762, 54357524, 67946905, 135893810, 271787620]

約数ペア:

[(1, 271787620), (2, 135893810), (4, 67946905), (5, 54357524), (10, 27178762), (13, 20906740), (20, 13589381), (26, 10453370), (52, 5226685), (65, 4181348), (127, 2140060), (130, 2090674), (254, 1070030), (260, 1045337), (508, 535015), (635, 428012), (1270, 214006), (1651, 164620), (2540, 107003), (3302, 82310), (6604, 41155), (8231, 33020), (8255, 32924), (16462, 16510)]