1938020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4730880

約数和(自身を除く): 2792860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 127, 140, 218, 254, 436, 508, 545, 635, 763, 889, 1090, 1270, 1526, 1778, 2180, 2540, 3052, 3556, 3815, 4445, 7630, 8890, 13843, 15260, 17780, 27686, 55372, 69215, 96901, 138430, 193802, 276860, 387604, 484505, 969010, 1938020]

約数ペア:

[(1, 1938020), (2, 969010), (4, 484505), (5, 387604), (7, 276860), (10, 193802), (14, 138430), (20, 96901), (28, 69215), (35, 55372), (70, 27686), (109, 17780), (127, 15260), (140, 13843), (218, 8890), (254, 7630), (436, 4445), (508, 3815), (545, 3556), (635, 3052), (763, 2540), (889, 2180), (1090, 1778), (1270, 1526)]