287408060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{919}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 636787200

約数和(自身を除く): 349379140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 823, 919, 1646, 1838, 3292, 3676, 4115, 4595, 8230, 9190, 15637, 16460, 17461, 18380, 31274, 34922, 62548, 69844, 78185, 87305, 156370, 174610, 312740, 349220, 756337, 1512674, 3025348, 3781685, 7563370, 14370403, 15126740, 28740806, 57481612, 71852015, 143704030, 287408060]

約数ペア:

[(1, 287408060), (2, 143704030), (4, 71852015), (5, 57481612), (10, 28740806), (19, 15126740), (20, 14370403), (38, 7563370), (76, 3781685), (95, 3025348), (190, 1512674), (380, 756337), (823, 349220), (919, 312740), (1646, 174610), (1838, 156370), (3292, 87305), (3676, 78185), (4115, 69844), (4595, 62548), (8230, 34922), (9190, 31274), (15637, 18380), (16460, 17461)]