138479180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5021}}^1$

素因数の和:5234

約数の個数: 48

約数和(自身を含む): 334103616

約数和(自身を除く): 195624436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5021, 5516, 6895, 10042, 13790, 20084, 25105, 27580, 35147, 50210, 70294, 100420, 140588, 175735, 351470, 702940, 989137, 1978274, 3956548, 4945685, 6923959, 9891370, 13847918, 19782740, 27695836, 34619795, 69239590, 138479180]

約数ペア:

[(1, 138479180), (2, 69239590), (4, 34619795), (5, 27695836), (7, 19782740), (10, 13847918), (14, 9891370), (20, 6923959), (28, 4945685), (35, 3956548), (70, 1978274), (140, 989137), (197, 702940), (394, 351470), (788, 175735), (985, 140588), (1379, 100420), (1970, 70294), (2758, 50210), (3940, 35147), (5021, 27580), (5516, 25105), (6895, 20084), (10042, 13790)]