135378400

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1076

約数の個数: 72

約数和(自身を含む): 332556840

約数和(自身を除く): 197178440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 788, 800, 859, 985, 1576, 1718, 1970, 3152, 3436, 3940, 4295, 4925, 6304, 6872, 7880, 8590, 9850, 13744, 15760, 17180, 19700, 21475, 27488, 31520, 34360, 39400, 42950, 68720, 78800, 85900, 137440, 157600, 169223, 171800, 338446, 343600, 676892, 687200, 846115, 1353784, 1692230, 2707568, 3384460, 4230575, 5415136, 6768920, 8461150, 13537840, 16922300, 27075680, 33844600, 67689200, 135378400]

約数ペア:

[(1, 135378400), (2, 67689200), (4, 33844600), (5, 27075680), (8, 16922300), (10, 13537840), (16, 8461150), (20, 6768920), (25, 5415136), (32, 4230575), (40, 3384460), (50, 2707568), (80, 1692230), (100, 1353784), (160, 846115), (197, 687200), (200, 676892), (394, 343600), (400, 338446), (788, 171800), (800, 169223), (859, 157600), (985, 137440), (1576, 85900), (1718, 78800), (1970, 68720), (3152, 42950), (3436, 39400), (3940, 34360), (4295, 31520), (4925, 27488), (6304, 21475), (6872, 19700), (7880, 17180), (8590, 15760), (9850, 13744)]