201991580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1442797}}^1$

素因数の和:1442813

約数の個数: 24

約数和(自身を含む): 484780128

約数和(自身を除く): 282788548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1442797, 2885594, 5771188, 7213985, 10099579, 14427970, 20199158, 28855940, 40398316, 50497895, 100995790, 201991580]

約数ペア:

[(1, 201991580), (2, 100995790), (4, 50497895), (5, 40398316), (7, 28855940), (10, 20199158), (14, 14427970), (20, 10099579), (28, 7213985), (35, 5771188), (70, 2885594), (140, 1442797)]