2018292580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{5281}}^1$

素因数の和:5584

約数の個数: 48

約数和(自身を含む): 4304660976

約数和(自身を除く): 2286368396

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 197, 388, 394, 485, 788, 970, 985, 1940, 1970, 3940, 5281, 10562, 19109, 21124, 26405, 38218, 52810, 76436, 95545, 105620, 191090, 382180, 512257, 1024514, 1040357, 2049028, 2080714, 2561285, 4161428, 5122570, 5201785, 10245140, 10403570, 20807140, 100914629, 201829258, 403658516, 504573145, 1009146290, 2018292580]

約数ペア:

[(1, 2018292580), (2, 1009146290), (4, 504573145), (5, 403658516), (10, 201829258), (20, 100914629), (97, 20807140), (194, 10403570), (197, 10245140), (388, 5201785), (394, 5122570), (485, 4161428), (788, 2561285), (970, 2080714), (985, 2049028), (1940, 1040357), (1970, 1024514), (3940, 512257), (5281, 382180), (10562, 191090), (19109, 105620), (21124, 95545), (26405, 76436), (38218, 52810)]