84971420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{719}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 188697600

約数和(自身を除く): 103726180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 380, 622, 719, 1244, 1438, 1555, 2876, 3110, 3595, 5909, 6220, 7190, 11818, 13661, 14380, 23636, 27322, 29545, 54644, 59090, 68305, 118180, 136610, 223609, 273220, 447218, 894436, 1118045, 2236090, 4248571, 4472180, 8497142, 16994284, 21242855, 42485710, 84971420]

約数ペア:

[(1, 84971420), (2, 42485710), (4, 21242855), (5, 16994284), (10, 8497142), (19, 4472180), (20, 4248571), (38, 2236090), (76, 1118045), (95, 894436), (190, 447218), (311, 273220), (380, 223609), (622, 136610), (719, 118180), (1244, 68305), (1438, 59090), (1555, 54644), (2876, 29545), (3110, 27322), (3595, 23636), (5909, 14380), (6220, 13661), (7190, 11818)]