123216280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280037}}^1$

素因数の和:280059

約数の個数: 32

約数和(自身を含む): 302441040

約数和(自身を除く): 179224760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 280037, 560074, 1120148, 1400185, 2240296, 2800370, 3080407, 5600740, 6160814, 11201480, 12321628, 15402035, 24643256, 30804070, 61608140, 123216280]

約数ペア:

[(1, 123216280), (2, 61608140), (4, 30804070), (5, 24643256), (8, 15402035), (10, 12321628), (11, 11201480), (20, 6160814), (22, 5600740), (40, 3080407), (44, 2800370), (55, 2240296), (88, 1400185), (110, 1120148), (220, 560074), (440, 280037)]