28201400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 68042520

約数和(自身を除く): 39841120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 103, 148, 185, 200, 206, 296, 370, 412, 515, 740, 824, 925, 1030, 1369, 1480, 1850, 2060, 2575, 2738, 3700, 3811, 4120, 5150, 5476, 6845, 7400, 7622, 10300, 10952, 13690, 15244, 19055, 20600, 27380, 30488, 34225, 38110, 54760, 68450, 76220, 95275, 136900, 141007, 152440, 190550, 273800, 282014, 381100, 564028, 705035, 762200, 1128056, 1410070, 2820140, 3525175, 5640280, 7050350, 14100700, 28201400]

約数ペア:

[(1, 28201400), (2, 14100700), (4, 7050350), (5, 5640280), (8, 3525175), (10, 2820140), (20, 1410070), (25, 1128056), (37, 762200), (40, 705035), (50, 564028), (74, 381100), (100, 282014), (103, 273800), (148, 190550), (185, 152440), (200, 141007), (206, 136900), (296, 95275), (370, 76220), (412, 68450), (515, 54760), (740, 38110), (824, 34225), (925, 30488), (1030, 27380), (1369, 20600), (1480, 19055), (1850, 15244), (2060, 13690), (2575, 10952), (2738, 10300), (3700, 7622), (3811, 7400), (4120, 6845), (5150, 5476)]