168686980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109537}}^1$

素因数の和:109564

約数の個数: 48

約数和(自身を含む): 441657216

約数和(自身を除く): 272970236

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, 109537, 219074, 438148, 547685, 766759, 1095370, 1204907, 1533518, 2190740, 2409814, 3067036, 3833795, 4819628, 6024535, 7667590, 8434349, 12049070, 15335180, 16868698, 24098140, 33737396, 42171745, 84343490, 168686980]

約数ペア:

[(1, 168686980), (2, 84343490), (4, 42171745), (5, 33737396), (7, 24098140), (10, 16868698), (11, 15335180), (14, 12049070), (20, 8434349), (22, 7667590), (28, 6024535), (35, 4819628), (44, 3833795), (55, 3067036), (70, 2409814), (77, 2190740), (110, 1533518), (140, 1204907), (154, 1095370), (220, 766759), (308, 547685), (385, 438148), (770, 219074), (1540, 109537)]