28428950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 60162816

約数和(自身を除く): 31733866

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 121, 127, 185, 242, 254, 275, 370, 407, 550, 605, 635, 814, 925, 1210, 1270, 1397, 1850, 2035, 2794, 3025, 3175, 4070, 4477, 4699, 6050, 6350, 6985, 8954, 9398, 10175, 13970, 15367, 20350, 22385, 23495, 30734, 34925, 44770, 46990, 51689, 69850, 76835, 103378, 111925, 117475, 153670, 223850, 234950, 258445, 384175, 516890, 568579, 768350, 1137158, 1292225, 2584450, 2842895, 5685790, 14214475, 28428950]

約数ペア:

[(1, 28428950), (2, 14214475), (5, 5685790), (10, 2842895), (11, 2584450), (22, 1292225), (25, 1137158), (37, 768350), (50, 568579), (55, 516890), (74, 384175), (110, 258445), (121, 234950), (127, 223850), (185, 153670), (242, 117475), (254, 111925), (275, 103378), (370, 76835), (407, 69850), (550, 51689), (605, 46990), (635, 44770), (814, 34925), (925, 30734), (1210, 23495), (1270, 22385), (1397, 20350), (1850, 15367), (2035, 13970), (2794, 10175), (3025, 9398), (3175, 8954), (4070, 6985), (4477, 6350), (4699, 6050)]