123348280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280337}}^1$

素因数の和:280359

約数の個数: 32

約数和(自身を含む): 302765040

約数和(自身を除く): 179416760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 280337, 560674, 1121348, 1401685, 2242696, 2803370, 3083707, 5606740, 6167414, 11213480, 12334828, 15418535, 24669656, 30837070, 61674140, 123348280]

約数ペア:

[(1, 123348280), (2, 61674140), (4, 30837070), (5, 24669656), (8, 15418535), (10, 12334828), (11, 11213480), (20, 6167414), (22, 5606740), (40, 3083707), (44, 2803370), (55, 2242696), (88, 1401685), (110, 1121348), (220, 560674), (440, 280337)]