1268800340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{456403}}^1$

素因数の和:456551

約数の個数: 24

約数和(自身を含む): 2683655520

約数和(自身を除く): 1414855180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 456403, 912806, 1825612, 2282015, 4564030, 9128060, 63440017, 126880034, 253760068, 317200085, 634400170, 1268800340]

約数ペア:

[(1, 1268800340), (2, 634400170), (4, 317200085), (5, 253760068), (10, 126880034), (20, 63440017), (139, 9128060), (278, 4564030), (556, 2282015), (695, 1825612), (1390, 912806), (2780, 456403)]