27916420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199403}}^1$

素因数の和:199419

約数の個数: 24

約数和(自身を含む): 66999744

約数和(自身を除く): 39083324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199403, 398806, 797612, 997015, 1395821, 1994030, 2791642, 3988060, 5583284, 6979105, 13958210, 27916420]

約数ペア:

[(1, 27916420), (2, 13958210), (4, 6979105), (5, 5583284), (7, 3988060), (10, 2791642), (14, 1994030), (20, 1395821), (28, 997015), (35, 797612), (70, 398806), (140, 199403)]