68410220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 146694240

約数和(自身を除く): 78284020

約数列:

[1, 2, 4, 5, 10, 20, 97, 179, 194, 197, 358, 388, 394, 485, 716, 788, 895, 970, 985, 1790, 1940, 1970, 3580, 3940, 17363, 19109, 34726, 35263, 38218, 69452, 70526, 76436, 86815, 95545, 141052, 173630, 176315, 191090, 347260, 352630, 382180, 705260, 3420511, 6841022, 13682044, 17102555, 34205110, 68410220]

約数ペア:

[(1, 68410220), (2, 34205110), (4, 17102555), (5, 13682044), (10, 6841022), (20, 3420511), (97, 705260), (179, 382180), (194, 352630), (197, 347260), (358, 191090), (388, 176315), (394, 173630), (485, 141052), (716, 95545), (788, 86815), (895, 76436), (970, 70526), (985, 69452), (1790, 38218), (1940, 35263), (1970, 34726), (3580, 19109), (3940, 17363)]