210887180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{215191}}^1$

素因数の和:215214

約数の個数: 36

約数和(自身を含む): 515169648

約数和(自身を除く): 304282468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 215191, 430382, 860764, 1075955, 1506337, 2151910, 3012674, 4303820, 6025348, 7531685, 10544359, 15063370, 21088718, 30126740, 42177436, 52721795, 105443590, 210887180]

約数ペア:

[(1, 210887180), (2, 105443590), (4, 52721795), (5, 42177436), (7, 30126740), (10, 21088718), (14, 15063370), (20, 10544359), (28, 7531685), (35, 6025348), (49, 4303820), (70, 3012674), (98, 2151910), (140, 1506337), (196, 1075955), (245, 860764), (490, 430382), (980, 215191)]