11428540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 24992352

約数和(自身を除く): 13563812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 137, 172, 194, 215, 274, 388, 430, 485, 548, 685, 860, 970, 1370, 1940, 2740, 4171, 5891, 8342, 11782, 13289, 16684, 20855, 23564, 26578, 29455, 41710, 53156, 58910, 66445, 83420, 117820, 132890, 265780, 571427, 1142854, 2285708, 2857135, 5714270, 11428540]

約数ペア:

[(1, 11428540), (2, 5714270), (4, 2857135), (5, 2285708), (10, 1142854), (20, 571427), (43, 265780), (86, 132890), (97, 117820), (137, 83420), (172, 66445), (194, 58910), (215, 53156), (274, 41710), (388, 29455), (430, 26578), (485, 23564), (548, 20855), (685, 16684), (860, 13289), (970, 11782), (1370, 8342), (1940, 5891), (2740, 4171)]