9821920900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{811729}}^1$

素因数の和:811765

約数の個数: 54

約数和(自身を含む): 23427339530

約数和(自身を除く): 13605418630

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 12100, 811729, 1623458, 3246916, 4058645, 8117290, 8929019, 16234580, 17858038, 20293225, 35716076, 40586450, 44645095, 81172900, 89290190, 98219209, 178580380, 196438418, 223225475, 392876836, 446450950, 491096045, 892901900, 982192090, 1964384180, 2455480225, 4910960450, 9821920900]

約数ペア:

[(1, 9821920900), (2, 4910960450), (4, 2455480225), (5, 1964384180), (10, 982192090), (11, 892901900), (20, 491096045), (22, 446450950), (25, 392876836), (44, 223225475), (50, 196438418), (55, 178580380), (100, 98219209), (110, 89290190), (121, 81172900), (220, 44645095), (242, 40586450), (275, 35716076), (484, 20293225), (550, 17858038), (605, 16234580), (1100, 8929019), (1210, 8117290), (2420, 4058645), (3025, 3246916), (6050, 1623458), (12100, 811729)]