2744840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9803}}^1$

素因数の和:9821

約数の個数: 32

約数和(自身を含む): 7058880

約数和(自身を除く): 4314040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9803, 19606, 39212, 49015, 68621, 78424, 98030, 137242, 196060, 274484, 343105, 392120, 548968, 686210, 1372420, 2744840]

約数ペア:

[(1, 2744840), (2, 1372420), (4, 686210), (5, 548968), (7, 392120), (8, 343105), (10, 274484), (14, 196060), (20, 137242), (28, 98030), (35, 78424), (40, 68621), (56, 49015), (70, 39212), (140, 19606), (280, 9803)]