1109817940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{720661}}^1$

素因数の和:720688

約数の個数: 48

約数和(自身を含む): 2905709184

約数和(自身を除く): 1795891244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 720661, 1441322, 2882644, 3603305, 5044627, 7206610, 7927271, 10089254, 14413220, 15854542, 20178508, 25223135, 31709084, 39636355, 50446270, 55490897, 79272710, 100892540, 110981794, 158545420, 221963588, 277454485, 554908970, 1109817940]

約数ペア:

[(1, 1109817940), (2, 554908970), (4, 277454485), (5, 221963588), (7, 158545420), (10, 110981794), (11, 100892540), (14, 79272710), (20, 55490897), (22, 50446270), (28, 39636355), (35, 31709084), (44, 25223135), (55, 20178508), (70, 15854542), (77, 14413220), (110, 10089254), (140, 7927271), (154, 7206610), (220, 5044627), (308, 3603305), (385, 2882644), (770, 1441322), (1540, 720661)]