890221300

素因数分解:

$2^2\times 5^2\times {\mathrm{997}}^1\times {\mathrm{8929}}^1$

素因数の和:9940

約数の個数: 36

約数和(自身を含む): 1933934380

約数和(自身を除く): 1043713080

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 997, 1994, 3988, 4985, 8929, 9970, 17858, 19940, 24925, 35716, 44645, 49850, 89290, 99700, 178580, 223225, 446450, 892900, 8902213, 17804426, 35608852, 44511065, 89022130, 178044260, 222555325, 445110650, 890221300]

約数ペア:

[(1, 890221300), (2, 445110650), (4, 222555325), (5, 178044260), (10, 89022130), (20, 44511065), (25, 35608852), (50, 17804426), (100, 8902213), (997, 892900), (1994, 446450), (3988, 223225), (4985, 178580), (8929, 99700), (9970, 89290), (17858, 49850), (19940, 44645), (24925, 35716)]