221239140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3687319}}^1$

素因数の和:3687331

約数の個数: 24

約数和(自身を含む): 619469760

約数和(自身を除く): 398230620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3687319, 7374638, 11061957, 14749276, 18436595, 22123914, 36873190, 44247828, 55309785, 73746380, 110619570, 221239140]

約数ペア:

[(1, 221239140), (2, 110619570), (3, 73746380), (4, 55309785), (5, 44247828), (6, 36873190), (10, 22123914), (12, 18436595), (15, 14749276), (20, 11061957), (30, 7374638), (60, 3687319)]