277433860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6337}}^1$

素因数の和:6556

約数の個数: 48

約数和(自身を含む): 638870400

約数和(自身を除く): 361436540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 6337, 8756, 10945, 12674, 21890, 25348, 31685, 43780, 63370, 69707, 126740, 139414, 278828, 348535, 697070, 1261063, 1394140, 2522126, 5044252, 6305315, 12610630, 13871693, 25221260, 27743386, 55486772, 69358465, 138716930, 277433860]

約数ペア:

[(1, 277433860), (2, 138716930), (4, 69358465), (5, 55486772), (10, 27743386), (11, 25221260), (20, 13871693), (22, 12610630), (44, 6305315), (55, 5044252), (110, 2522126), (199, 1394140), (220, 1261063), (398, 697070), (796, 348535), (995, 278828), (1990, 139414), (2189, 126740), (3980, 69707), (4378, 63370), (6337, 43780), (8756, 31685), (10945, 25348), (12674, 21890)]