305672080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{545843}}^1$

素因数の和:545863

約数の個数: 40

約数和(自身を含む): 812215872

約数和(自身を除く): 506543792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 545843, 1091686, 2183372, 2729215, 3820901, 4366744, 5458430, 7641802, 8733488, 10916860, 15283604, 19104505, 21833720, 30567208, 38209010, 43667440, 61134416, 76418020, 152836040, 305672080]

約数ペア:

[(1, 305672080), (2, 152836040), (4, 76418020), (5, 61134416), (7, 43667440), (8, 38209010), (10, 30567208), (14, 21833720), (16, 19104505), (20, 15283604), (28, 10916860), (35, 8733488), (40, 7641802), (56, 5458430), (70, 4366744), (80, 3820901), (112, 2729215), (140, 2183372), (280, 1091686), (560, 545843)]