2165900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{179}}^1$

素因数の和:215

約数の個数: 54

約数和(自身を含む): 5194980

約数和(自身を除く): 3029080

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 179, 220, 242, 275, 358, 484, 550, 605, 716, 895, 1100, 1210, 1790, 1969, 2420, 3025, 3580, 3938, 4475, 6050, 7876, 8950, 9845, 12100, 17900, 19690, 21659, 39380, 43318, 49225, 86636, 98450, 108295, 196900, 216590, 433180, 541475, 1082950, 2165900]

約数ペア:

[(1, 2165900), (2, 1082950), (4, 541475), (5, 433180), (10, 216590), (11, 196900), (20, 108295), (22, 98450), (25, 86636), (44, 49225), (50, 43318), (55, 39380), (100, 21659), (110, 19690), (121, 17900), (179, 12100), (220, 9845), (242, 8950), (275, 7876), (358, 6050), (484, 4475), (550, 3938), (605, 3580), (716, 3025), (895, 2420), (1100, 1969), (1210, 1790)]