290465120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165037}}^1$

素因数の和:165063

約数の個数: 48

約数和(自身を含む): 748612368

約数和(自身を除く): 458147248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 165037, 330074, 660148, 825185, 1320296, 1650370, 1815407, 2640592, 3300740, 3630814, 5281184, 6601480, 7261628, 9077035, 13202960, 14523256, 18154070, 26405920, 29046512, 36308140, 58093024, 72616280, 145232560, 290465120]

約数ペア:

[(1, 290465120), (2, 145232560), (4, 72616280), (5, 58093024), (8, 36308140), (10, 29046512), (11, 26405920), (16, 18154070), (20, 14523256), (22, 13202960), (32, 9077035), (40, 7261628), (44, 6601480), (55, 5281184), (80, 3630814), (88, 3300740), (110, 2640592), (160, 1815407), (176, 1650370), (220, 1320296), (352, 825185), (440, 660148), (880, 330074), (1760, 165037)]