210266980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136537}}^1$

素因数の和:136564

約数の個数: 48

約数和(自身を含む): 550521216

約数和(自身を除く): 340254236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 136537, 273074, 546148, 682685, 955759, 1365370, 1501907, 1911518, 2730740, 3003814, 3823036, 4778795, 6007628, 7509535, 9557590, 10513349, 15019070, 19115180, 21026698, 30038140, 42053396, 52566745, 105133490, 210266980]

約数ペア:

[(1, 210266980), (2, 105133490), (4, 52566745), (5, 42053396), (7, 30038140), (10, 21026698), (11, 19115180), (14, 15019070), (20, 10513349), (22, 9557590), (28, 7509535), (35, 6007628), (44, 4778795), (55, 3823036), (70, 3003814), (77, 2730740), (110, 1911518), (140, 1501907), (154, 1365370), (220, 955759), (308, 682685), (385, 546148), (770, 273074), (1540, 136537)]