2111330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 4158000

約数和(自身を除く): 2046670

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 149, 218, 298, 545, 745, 1090, 1417, 1490, 1937, 2834, 3874, 7085, 9685, 14170, 16241, 19370, 32482, 81205, 162410, 211133, 422266, 1055665, 2111330]

約数ペア:

[(1, 2111330), (2, 1055665), (5, 422266), (10, 211133), (13, 162410), (26, 81205), (65, 32482), (109, 19370), (130, 16241), (149, 14170), (218, 9685), (298, 7085), (545, 3874), (745, 2834), (1090, 1937), (1417, 1490)]