208597960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{274471}}^1$

素因数の和:274501

約数の個数: 32

約数和(自身を含む): 494049600

約数和(自身を除く): 285451640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 274471, 548942, 1097884, 1372355, 2195768, 2744710, 5214949, 5489420, 10429898, 10978840, 20859796, 26074745, 41719592, 52149490, 104298980, 208597960]

約数ペア:

[(1, 208597960), (2, 104298980), (4, 52149490), (5, 41719592), (8, 26074745), (10, 20859796), (19, 10978840), (20, 10429898), (38, 5489420), (40, 5214949), (76, 2744710), (95, 2195768), (152, 1372355), (190, 1097884), (380, 548942), (760, 274471)]