78093800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20551}}^1$

素因数の和:20586

約数の個数: 48

約数和(自身を含む): 191133600

約数和(自身を除く): 113039800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 20551, 41102, 82204, 102755, 164408, 205510, 390469, 411020, 513775, 780938, 822040, 1027550, 1561876, 1952345, 2055100, 3123752, 3904690, 4110200, 7809380, 9761725, 15618760, 19523450, 39046900, 78093800]

約数ペア:

[(1, 78093800), (2, 39046900), (4, 19523450), (5, 15618760), (8, 9761725), (10, 7809380), (19, 4110200), (20, 3904690), (25, 3123752), (38, 2055100), (40, 1952345), (50, 1561876), (76, 1027550), (95, 822040), (100, 780938), (152, 513775), (190, 411020), (200, 390469), (380, 205510), (475, 164408), (760, 102755), (950, 82204), (1900, 41102), (3800, 20551)]