245080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 602640

約数和(自身を除く): 357560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 557, 1114, 2228, 2785, 4456, 5570, 6127, 11140, 12254, 22280, 24508, 30635, 49016, 61270, 122540, 245080]

約数ペア:

[(1, 245080), (2, 122540), (4, 61270), (5, 49016), (8, 30635), (10, 24508), (11, 22280), (20, 12254), (22, 11140), (40, 6127), (44, 5570), (55, 4456), (88, 2785), (110, 2228), (220, 1114), (440, 557)]