27816460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198689}}^1$

素因数の和:198705

約数の個数: 24

約数和(自身を含む): 66759840

約数和(自身を除く): 38943380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198689, 397378, 794756, 993445, 1390823, 1986890, 2781646, 3973780, 5563292, 6954115, 13908230, 27816460]

約数ペア:

[(1, 27816460), (2, 13908230), (4, 6954115), (5, 5563292), (7, 3973780), (10, 2781646), (14, 1986890), (20, 1390823), (28, 993445), (35, 794756), (70, 397378), (140, 198689)]