888762020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1\times {\mathrm{1093}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 1890300720

約数和(自身を除く): 1001538700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 373, 436, 545, 746, 1090, 1093, 1492, 1865, 2180, 2186, 3730, 4372, 5465, 7460, 10930, 21860, 40657, 81314, 119137, 162628, 203285, 238274, 406570, 407689, 476548, 595685, 813140, 815378, 1191370, 1630756, 2038445, 2382740, 4076890, 8153780, 44438101, 88876202, 177752404, 222190505, 444381010, 888762020]

約数ペア:

[(1, 888762020), (2, 444381010), (4, 222190505), (5, 177752404), (10, 88876202), (20, 44438101), (109, 8153780), (218, 4076890), (373, 2382740), (436, 2038445), (545, 1630756), (746, 1191370), (1090, 815378), (1093, 813140), (1492, 595685), (1865, 476548), (2180, 407689), (2186, 406570), (3730, 238274), (4372, 203285), (5465, 162628), (7460, 119137), (10930, 81314), (21860, 40657)]