9880970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 19863360

約数和(自身を除く): 9982390

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2089, 2365, 4178, 4730, 10445, 20890, 22979, 45958, 89827, 114895, 179654, 229790, 449135, 898270, 988097, 1976194, 4940485, 9880970]

約数ペア:

[(1, 9880970), (2, 4940485), (5, 1976194), (10, 988097), (11, 898270), (22, 449135), (43, 229790), (55, 179654), (86, 114895), (110, 89827), (215, 45958), (430, 22979), (473, 20890), (946, 10445), (2089, 4730), (2365, 4178)]