280102328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67723}}^1$

素因数の和:67787

約数の個数: 32

約数和(自身を含む): 585135360

約数和(自身を除く): 305033032

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 67723, 135446, 270892, 541784, 744953, 1489906, 2979812, 3182981, 5959624, 6365962, 12731924, 25463848, 35012791, 70025582, 140051164, 280102328]

約数ペア:

[(1, 280102328), (2, 140051164), (4, 70025582), (8, 35012791), (11, 25463848), (22, 12731924), (44, 6365962), (47, 5959624), (88, 3182981), (94, 2979812), (188, 1489906), (376, 744953), (517, 541784), (1034, 270892), (2068, 135446), (4136, 67723)]