143900140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{7487}}^1$

素因数の和:7558

約数の個数: 36

約数和(自身を含む): 312294528

約数和(自身を除く): 168394388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 7487, 9610, 14974, 19220, 29948, 37435, 74870, 149740, 232097, 464194, 928388, 1160485, 2320970, 4641940, 7195007, 14390014, 28780028, 35975035, 71950070, 143900140]

約数ペア:

[(1, 143900140), (2, 71950070), (4, 35975035), (5, 28780028), (10, 14390014), (20, 7195007), (31, 4641940), (62, 2320970), (124, 1160485), (155, 928388), (310, 464194), (620, 232097), (961, 149740), (1922, 74870), (3844, 37435), (4805, 29948), (7487, 19220), (9610, 14974)]