2780030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 5529600

約数和(自身を除く): 2749570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 199, 254, 398, 635, 995, 1270, 1397, 1990, 2189, 2794, 4378, 6985, 10945, 13970, 21890, 25273, 50546, 126365, 252730, 278003, 556006, 1390015, 2780030]

約数ペア:

[(1, 2780030), (2, 1390015), (5, 556006), (10, 278003), (11, 252730), (22, 126365), (55, 50546), (110, 25273), (127, 21890), (199, 13970), (254, 10945), (398, 6985), (635, 4378), (995, 2794), (1270, 2189), (1397, 1990)]