138534340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5023}}^1$

素因数の和:5236

約数の個数: 48

約数和(自身を含む): 334236672

約数和(自身を除く): 195702332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5023, 5516, 6895, 10046, 13790, 20092, 25115, 27580, 35161, 50230, 70322, 100460, 140644, 175805, 351610, 703220, 989531, 1979062, 3958124, 4947655, 6926717, 9895310, 13853434, 19790620, 27706868, 34633585, 69267170, 138534340]

約数ペア:

[(1, 138534340), (2, 69267170), (4, 34633585), (5, 27706868), (7, 19790620), (10, 13853434), (14, 9895310), (20, 6926717), (28, 4947655), (35, 3958124), (70, 1979062), (140, 989531), (197, 703220), (394, 351610), (788, 175805), (985, 140644), (1379, 100460), (1970, 70322), (2758, 50230), (3940, 35161), (5023, 27580), (5516, 25115), (6895, 20092), (10046, 13790)]