28253500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{467}}^1$

素因数の和:508

約数の個数: 72

約数和(自身を含む): 67970448

約数和(自身を除く): 39716948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 467, 484, 500, 550, 605, 934, 1100, 1210, 1375, 1868, 2335, 2420, 2750, 3025, 4670, 5137, 5500, 6050, 9340, 10274, 11675, 12100, 15125, 20548, 23350, 25685, 30250, 46700, 51370, 56507, 58375, 60500, 102740, 113014, 116750, 128425, 226028, 233500, 256850, 282535, 513700, 565070, 642125, 1130140, 1284250, 1412675, 2568500, 2825350, 5650700, 7063375, 14126750, 28253500]

約数ペア:

[(1, 28253500), (2, 14126750), (4, 7063375), (5, 5650700), (10, 2825350), (11, 2568500), (20, 1412675), (22, 1284250), (25, 1130140), (44, 642125), (50, 565070), (55, 513700), (100, 282535), (110, 256850), (121, 233500), (125, 226028), (220, 128425), (242, 116750), (250, 113014), (275, 102740), (467, 60500), (484, 58375), (500, 56507), (550, 51370), (605, 46700), (934, 30250), (1100, 25685), (1210, 23350), (1375, 20548), (1868, 15125), (2335, 12100), (2420, 11675), (2750, 10274), (3025, 9340), (4670, 6050), (5137, 5500)]