2450220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 6947808

約数和(自身を除く): 4497588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 421, 485, 582, 842, 970, 1164, 1263, 1455, 1684, 1940, 2105, 2526, 2910, 4210, 5052, 5820, 6315, 8420, 12630, 25260, 40837, 81674, 122511, 163348, 204185, 245022, 408370, 490044, 612555, 816740, 1225110, 2450220]

約数ペア:

[(1, 2450220), (2, 1225110), (3, 816740), (4, 612555), (5, 490044), (6, 408370), (10, 245022), (12, 204185), (15, 163348), (20, 122511), (30, 81674), (60, 40837), (97, 25260), (194, 12630), (291, 8420), (388, 6315), (421, 5820), (485, 5052), (582, 4210), (842, 2910), (970, 2526), (1164, 2105), (1263, 1940), (1455, 1684)]