680455208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{144409}}^1$

素因数の和:144465

約数の個数: 32

約数和(自身を含む): 1386336000

約数和(自身を除く): 705880792

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4712, 144409, 288818, 577636, 1155272, 2743771, 4476679, 5487542, 8953358, 10975084, 17906716, 21950168, 35813432, 85056901, 170113802, 340227604, 680455208]

約数ペア:

[(1, 680455208), (2, 340227604), (4, 170113802), (8, 85056901), (19, 35813432), (31, 21950168), (38, 17906716), (62, 10975084), (76, 8953358), (124, 5487542), (152, 4476679), (248, 2743771), (589, 1155272), (1178, 577636), (2356, 288818), (4712, 144409)]