219706220

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{55763}}^1$

素因数の和:55969

約数の個数: 24

約数和(自身を含む): 463733424

約数和(自身を除く): 244027204

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 55763, 111526, 223052, 278815, 557630, 1115260, 10985311, 21970622, 43941244, 54926555, 109853110, 219706220]

約数ペア:

[(1, 219706220), (2, 109853110), (4, 54926555), (5, 43941244), (10, 21970622), (20, 10985311), (197, 1115260), (394, 557630), (788, 278815), (985, 223052), (1970, 111526), (3940, 55763)]