20171021750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{198241}}^1$

素因数の和:198306

約数の個数: 64

約数和(自身を含む): 42306428736

約数和(自身を除く): 22135406986

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 125, 185, 250, 275, 370, 407, 550, 814, 925, 1375, 1850, 2035, 2750, 4070, 4625, 9250, 10175, 20350, 50875, 101750, 198241, 396482, 991205, 1982410, 2180651, 4361302, 4956025, 7334917, 9912050, 10903255, 14669834, 21806510, 24780125, 36674585, 49560250, 54516275, 73349170, 80684087, 109032550, 161368174, 183372925, 272581375, 366745850, 403420435, 545162750, 806840870, 916864625, 1833729250, 2017102175, 4034204350, 10085510875, 20171021750]

約数ペア:

[(1, 20171021750), (2, 10085510875), (5, 4034204350), (10, 2017102175), (11, 1833729250), (22, 916864625), (25, 806840870), (37, 545162750), (50, 403420435), (55, 366745850), (74, 272581375), (110, 183372925), (125, 161368174), (185, 109032550), (250, 80684087), (275, 73349170), (370, 54516275), (407, 49560250), (550, 36674585), (814, 24780125), (925, 21806510), (1375, 14669834), (1850, 10903255), (2035, 9912050), (2750, 7334917), (4070, 4956025), (4625, 4361302), (9250, 2180651), (10175, 1982410), (20350, 991205), (50875, 396482), (101750, 198241)]