217981850

素因数分解:

$2^1\times 5^2\times {\mathrm{379}}^1\times {\mathrm{11503}}^1$

素因数の和:11894

約数の個数: 24

約数和(自身を含む): 406551360

約数和(自身を除く): 188569510

約数列:

[1, 2, 5, 10, 25, 50, 379, 758, 1895, 3790, 9475, 11503, 18950, 23006, 57515, 115030, 287575, 575150, 4359637, 8719274, 21798185, 43596370, 108990925, 217981850]

約数ペア:

[(1, 217981850), (2, 108990925), (5, 43596370), (10, 21798185), (25, 8719274), (50, 4359637), (379, 575150), (758, 287575), (1895, 115030), (3790, 57515), (9475, 23006), (11503, 18950)]