389700260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{35363}}^1$

素因数の和:35420

約数の個数: 48

約数和(自身を含む): 891172800

約数和(自身を除く): 501472540

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 35363, 70726, 141452, 176815, 353630, 671897, 707260, 1025527, 1343794, 2051054, 2687588, 3359485, 4102108, 5127635, 6718970, 10255270, 13437940, 19485013, 20510540, 38970026, 77940052, 97425065, 194850130, 389700260]

約数ペア:

[(1, 389700260), (2, 194850130), (4, 97425065), (5, 77940052), (10, 38970026), (19, 20510540), (20, 19485013), (29, 13437940), (38, 10255270), (58, 6718970), (76, 5127635), (95, 4102108), (116, 3359485), (145, 2687588), (190, 2051054), (290, 1343794), (380, 1025527), (551, 707260), (580, 671897), (1102, 353630), (2204, 176815), (2755, 141452), (5510, 70726), (11020, 35363)]