104685800

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2657}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 244722060

約数和(自身を除く): 140036260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 2657, 3940, 4925, 5314, 7880, 9850, 10628, 13285, 19700, 21256, 26570, 39400, 53140, 66425, 106280, 132850, 265700, 523429, 531400, 1046858, 2093716, 2617145, 4187432, 5234290, 10468580, 13085725, 20937160, 26171450, 52342900, 104685800]

約数ペア:

[(1, 104685800), (2, 52342900), (4, 26171450), (5, 20937160), (8, 13085725), (10, 10468580), (20, 5234290), (25, 4187432), (40, 2617145), (50, 2093716), (100, 1046858), (197, 531400), (200, 523429), (394, 265700), (788, 132850), (985, 106280), (1576, 66425), (1970, 53140), (2657, 39400), (3940, 26570), (4925, 21256), (5314, 19700), (7880, 13285), (9850, 10628)]