238712180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{15643}}^1$

素因数の和:15768

約数の個数: 48

約数和(自身を含む): 578202240

約数和(自身を除く): 339490060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 15643, 31286, 62572, 78215, 109501, 156430, 219002, 312860, 438004, 547505, 1095010, 1705087, 2190020, 3410174, 6820348, 8525435, 11935609, 17050870, 23871218, 34101740, 47742436, 59678045, 119356090, 238712180]

約数ペア:

[(1, 238712180), (2, 119356090), (4, 59678045), (5, 47742436), (7, 34101740), (10, 23871218), (14, 17050870), (20, 11935609), (28, 8525435), (35, 6820348), (70, 3410174), (109, 2190020), (140, 1705087), (218, 1095010), (436, 547505), (545, 438004), (763, 312860), (1090, 219002), (1526, 156430), (2180, 109501), (3052, 78215), (3815, 62572), (7630, 31286), (15260, 15643)]