1831340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 4472832

約数和(自身を除く): 2641492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 127, 140, 206, 254, 412, 508, 515, 635, 721, 889, 1030, 1270, 1442, 1778, 2060, 2540, 2884, 3556, 3605, 4445, 7210, 8890, 13081, 14420, 17780, 26162, 52324, 65405, 91567, 130810, 183134, 261620, 366268, 457835, 915670, 1831340]

約数ペア:

[(1, 1831340), (2, 915670), (4, 457835), (5, 366268), (7, 261620), (10, 183134), (14, 130810), (20, 91567), (28, 65405), (35, 52324), (70, 26162), (103, 17780), (127, 14420), (140, 13081), (206, 8890), (254, 7210), (412, 4445), (508, 3605), (515, 3556), (635, 2884), (721, 2540), (889, 2060), (1030, 1778), (1270, 1442)]