135979900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{27751}}^1$

素因数の和:27779

約数の個数: 54

約数和(自身を含む): 343264488

約数和(自身を除く): 207284588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 27751, 55502, 111004, 138755, 194257, 277510, 388514, 555020, 693775, 777028, 971285, 1359799, 1387550, 1942570, 2719598, 2775100, 3885140, 4856425, 5439196, 6798995, 9712850, 13597990, 19425700, 27195980, 33994975, 67989950, 135979900]

約数ペア:

[(1, 135979900), (2, 67989950), (4, 33994975), (5, 27195980), (7, 19425700), (10, 13597990), (14, 9712850), (20, 6798995), (25, 5439196), (28, 4856425), (35, 3885140), (49, 2775100), (50, 2719598), (70, 1942570), (98, 1387550), (100, 1359799), (140, 971285), (175, 777028), (196, 693775), (245, 555020), (350, 388514), (490, 277510), (700, 194257), (980, 138755), (1225, 111004), (2450, 55502), (4900, 27751)]