2105180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 5515776

約数和(自身を除く): 3410596

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, 1367, 1540, 2734, 5468, 6835, 9569, 13670, 15037, 19138, 27340, 30074, 38276, 47845, 60148, 75185, 95690, 105259, 150370, 191380, 210518, 300740, 421036, 526295, 1052590, 2105180]

約数ペア:

[(1, 2105180), (2, 1052590), (4, 526295), (5, 421036), (7, 300740), (10, 210518), (11, 191380), (14, 150370), (20, 105259), (22, 95690), (28, 75185), (35, 60148), (44, 47845), (55, 38276), (70, 30074), (77, 27340), (110, 19138), (140, 15037), (154, 13670), (220, 9569), (308, 6835), (385, 5468), (770, 2734), (1367, 1540)]