197385920

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5659}}^1$

素因数の和:5785

約数の個数: 56

約数和(自身を含む): 474421200

約数和(自身を除く): 277035280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 5659, 6976, 8720, 11318, 17440, 22636, 28295, 34880, 45272, 56590, 90544, 113180, 181088, 226360, 362176, 452720, 616831, 905440, 1233662, 1810880, 2467324, 3084155, 4934648, 6168310, 9869296, 12336620, 19738592, 24673240, 39477184, 49346480, 98692960, 197385920]

約数ペア:

[(1, 197385920), (2, 98692960), (4, 49346480), (5, 39477184), (8, 24673240), (10, 19738592), (16, 12336620), (20, 9869296), (32, 6168310), (40, 4934648), (64, 3084155), (80, 2467324), (109, 1810880), (160, 1233662), (218, 905440), (320, 616831), (436, 452720), (545, 362176), (872, 226360), (1090, 181088), (1744, 113180), (2180, 90544), (3488, 56590), (4360, 45272), (5659, 34880), (6976, 28295), (8720, 22636), (11318, 17440)]