1228107760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1395577}}^1$

素因数の和:1395601

約数の個数: 40

約数和(自身を含む): 3114930096

約数和(自身を除く): 1886822336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1395577, 2791154, 5582308, 6977885, 11164616, 13955770, 15351347, 22329232, 27911540, 30702694, 55823080, 61405388, 76756735, 111646160, 122810776, 153513470, 245621552, 307026940, 614053880, 1228107760]

約数ペア:

[(1, 1228107760), (2, 614053880), (4, 307026940), (5, 245621552), (8, 153513470), (10, 122810776), (11, 111646160), (16, 76756735), (20, 61405388), (22, 55823080), (40, 30702694), (44, 27911540), (55, 22329232), (80, 15351347), (88, 13955770), (110, 11164616), (176, 6977885), (220, 5582308), (440, 2791154), (880, 1395577)]