279142270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{28513}}^1$

素因数の和:28620

約数の個数: 32

約数和(自身を含む): 554312160

約数和(自身を除く): 275169890

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 28513, 57026, 142565, 285130, 313643, 627286, 1568215, 2537657, 3136430, 5075314, 12688285, 25376570, 27914227, 55828454, 139571135, 279142270]

約数ペア:

[(1, 279142270), (2, 139571135), (5, 55828454), (10, 27914227), (11, 25376570), (22, 12688285), (55, 5075314), (89, 3136430), (110, 2537657), (178, 1568215), (445, 627286), (890, 313643), (979, 285130), (1958, 142565), (4895, 57026), (9790, 28513)]