30756460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219689}}^1$

素因数の和:219705

約数の個数: 24

約数和(自身を含む): 73815840

約数和(自身を除く): 43059380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219689, 439378, 878756, 1098445, 1537823, 2196890, 3075646, 4393780, 6151292, 7689115, 15378230, 30756460]

約数ペア:

[(1, 30756460), (2, 15378230), (4, 7689115), (5, 6151292), (7, 4393780), (10, 3075646), (14, 2196890), (20, 1537823), (28, 1098445), (35, 878756), (70, 439378), (140, 219689)]