248977990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1\times {\mathrm{1979}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 468737280

約数和(自身を除く): 219759290

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 547, 1094, 1979, 2735, 3958, 5470, 9895, 12581, 19790, 25162, 45517, 62905, 91034, 125810, 227585, 455170, 1082513, 2165026, 5412565, 10825130, 24897799, 49795598, 124488995, 248977990]

約数ペア:

[(1, 248977990), (2, 124488995), (5, 49795598), (10, 24897799), (23, 10825130), (46, 5412565), (115, 2165026), (230, 1082513), (547, 455170), (1094, 227585), (1979, 125810), (2735, 91034), (3958, 62905), (5470, 45517), (9895, 25162), (12581, 19790)]