9428500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 20900880

約数和(自身を除く): 11472380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 173, 218, 250, 346, 436, 500, 545, 692, 865, 1090, 1730, 2180, 2725, 3460, 4325, 5450, 8650, 10900, 13625, 17300, 18857, 21625, 27250, 37714, 43250, 54500, 75428, 86500, 94285, 188570, 377140, 471425, 942850, 1885700, 2357125, 4714250, 9428500]

約数ペア:

[(1, 9428500), (2, 4714250), (4, 2357125), (5, 1885700), (10, 942850), (20, 471425), (25, 377140), (50, 188570), (100, 94285), (109, 86500), (125, 75428), (173, 54500), (218, 43250), (250, 37714), (346, 27250), (436, 21625), (500, 18857), (545, 17300), (692, 13625), (865, 10900), (1090, 8650), (1730, 5450), (2180, 4325), (2725, 3460)]