1209331340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{6691}}^1$

素因数の和:7998

約数の個数: 48

約数和(自身を含む): 2905077504

約数和(自身を除く): 1695746164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291, 2582, 5164, 6455, 6691, 9037, 12910, 13382, 18074, 25820, 26764, 33455, 36148, 45185, 46837, 66910, 90370, 93674, 133820, 180740, 187348, 234185, 468370, 936740, 8638081, 17276162, 34552324, 43190405, 60466567, 86380810, 120933134, 172761620, 241866268, 302332835, 604665670, 1209331340]

約数ペア:

[(1, 1209331340), (2, 604665670), (4, 302332835), (5, 241866268), (7, 172761620), (10, 120933134), (14, 86380810), (20, 60466567), (28, 43190405), (35, 34552324), (70, 17276162), (140, 8638081), (1291, 936740), (2582, 468370), (5164, 234185), (6455, 187348), (6691, 180740), (9037, 133820), (12910, 93674), (13382, 90370), (18074, 66910), (25820, 46837), (26764, 45185), (33455, 36148)]