19734500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 44619120

約数和(自身を除く): 24884620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1361, 1450, 2722, 2900, 3625, 5444, 6805, 7250, 13610, 14500, 27220, 34025, 39469, 68050, 78938, 136100, 157876, 170125, 197345, 340250, 394690, 680500, 789380, 986725, 1973450, 3946900, 4933625, 9867250, 19734500]

約数ペア:

[(1, 19734500), (2, 9867250), (4, 4933625), (5, 3946900), (10, 1973450), (20, 986725), (25, 789380), (29, 680500), (50, 394690), (58, 340250), (100, 197345), (116, 170125), (125, 157876), (145, 136100), (250, 78938), (290, 68050), (500, 39469), (580, 34025), (725, 27220), (1361, 14500), (1450, 13610), (2722, 7250), (2900, 6805), (3625, 5444)]