201961480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721291}}^1$

素因数の和:721309

約数の個数: 32

約数和(自身を含む): 519330240

約数和(自身を除く): 317368760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721291, 1442582, 2885164, 3606455, 5049037, 5770328, 7212910, 10098074, 14425820, 20196148, 25245185, 28851640, 40392296, 50490370, 100980740, 201961480]

約数ペア:

[(1, 201961480), (2, 100980740), (4, 50490370), (5, 40392296), (7, 28851640), (8, 25245185), (10, 20196148), (14, 14425820), (20, 10098074), (28, 7212910), (35, 5770328), (40, 5049037), (56, 3606455), (70, 2885164), (140, 1442582), (280, 721291)]