147744140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{7687}}^1$

素因数の和:7758

約数の個数: 36

約数和(自身を含む): 320635728

約数和(自身を除く): 172891588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 7687, 9610, 15374, 19220, 30748, 38435, 76870, 153740, 238297, 476594, 953188, 1191485, 2382970, 4765940, 7387207, 14774414, 29548828, 36936035, 73872070, 147744140]

約数ペア:

[(1, 147744140), (2, 73872070), (4, 36936035), (5, 29548828), (10, 14774414), (20, 7387207), (31, 4765940), (62, 2382970), (124, 1191485), (155, 953188), (310, 476594), (620, 238297), (961, 153740), (1922, 76870), (3844, 38435), (4805, 30748), (7687, 19220), (9610, 15374)]