2664650

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 24

約数和(自身を含む): 5005260

約数和(自身を除く): 2340610

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 389, 685, 778, 1370, 1945, 3425, 3890, 6850, 9725, 19450, 53293, 106586, 266465, 532930, 1332325, 2664650]

約数ペア:

[(1, 2664650), (2, 1332325), (5, 532930), (10, 266465), (25, 106586), (50, 53293), (137, 19450), (274, 9725), (389, 6850), (685, 3890), (778, 3425), (1370, 1945)]