2001061975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 2787143040

約数和(自身を除く): 786081065

約数列:

[1, 5, 11, 25, 43, 55, 197, 215, 275, 473, 859, 985, 1075, 2167, 2365, 4295, 4925, 8471, 9449, 10835, 11825, 21475, 36937, 42355, 47245, 54175, 93181, 169223, 184685, 211775, 236225, 406307, 465905, 846115, 923425, 1861453, 2031535, 2329525, 4230575, 7276589, 9307265, 10157675, 36382945, 46536325, 80042479, 181914725, 400212395, 2001061975]

約数ペア:

[(1, 2001061975), (5, 400212395), (11, 181914725), (25, 80042479), (43, 46536325), (55, 36382945), (197, 10157675), (215, 9307265), (275, 7276589), (473, 4230575), (859, 2329525), (985, 2031535), (1075, 1861453), (2167, 923425), (2365, 846115), (4295, 465905), (4925, 406307), (8471, 236225), (9449, 211775), (10835, 184685), (11825, 169223), (21475, 93181), (36937, 54175), (42355, 47245)]