64399300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 160864704

約数和(自身を除く): 96465404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 467, 700, 788, 934, 985, 1379, 1868, 1970, 2335, 2758, 3269, 3940, 4670, 4925, 5516, 6538, 6895, 9340, 9850, 11675, 13076, 13790, 16345, 19700, 23350, 27580, 32690, 34475, 46700, 65380, 68950, 81725, 91999, 137900, 163450, 183998, 326900, 367996, 459995, 643993, 919990, 1287986, 1839980, 2299975, 2575972, 3219965, 4599950, 6439930, 9199900, 12879860, 16099825, 32199650, 64399300]

約数ペア:

[(1, 64399300), (2, 32199650), (4, 16099825), (5, 12879860), (7, 9199900), (10, 6439930), (14, 4599950), (20, 3219965), (25, 2575972), (28, 2299975), (35, 1839980), (50, 1287986), (70, 919990), (100, 643993), (140, 459995), (175, 367996), (197, 326900), (350, 183998), (394, 163450), (467, 137900), (700, 91999), (788, 81725), (934, 68950), (985, 65380), (1379, 46700), (1868, 34475), (1970, 32690), (2335, 27580), (2758, 23350), (3269, 19700), (3940, 16345), (4670, 13790), (4925, 13076), (5516, 11675), (6538, 9850), (6895, 9340)]