2905850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:754

約数の個数: 24

約数和(自身を含む): 5473980

約数和(自身を除く): 2568130

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 653, 890, 1306, 2225, 3265, 4450, 6530, 16325, 32650, 58117, 116234, 290585, 581170, 1452925, 2905850]

約数ペア:

[(1, 2905850), (2, 1452925), (5, 581170), (10, 290585), (25, 116234), (50, 58117), (89, 32650), (178, 16325), (445, 6530), (653, 4450), (890, 3265), (1306, 2225)]