2017228780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{73141}}^1$

素因数の和:73354

約数の個数: 48

約数和(自身を含む): 4865990976

約数和(自身を除く): 2848762196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 73141, 146282, 292564, 365705, 511987, 731410, 1023974, 1462820, 2047948, 2559935, 5119870, 10239740, 14408777, 28817554, 57635108, 72043885, 100861439, 144087770, 201722878, 288175540, 403445756, 504307195, 1008614390, 2017228780]

約数ペア:

[(1, 2017228780), (2, 1008614390), (4, 504307195), (5, 403445756), (7, 288175540), (10, 201722878), (14, 144087770), (20, 100861439), (28, 72043885), (35, 57635108), (70, 28817554), (140, 14408777), (197, 10239740), (394, 5119870), (788, 2559935), (985, 2047948), (1379, 1462820), (1970, 1023974), (2758, 731410), (3940, 511987), (5516, 365705), (6895, 292564), (13790, 146282), (27580, 73141)]