1327340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 3360000

約数和(自身を除く): 2032660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 499, 532, 665, 998, 1330, 1996, 2495, 2660, 3493, 4990, 6986, 9481, 9980, 13972, 17465, 18962, 34930, 37924, 47405, 66367, 69860, 94810, 132734, 189620, 265468, 331835, 663670, 1327340]

約数ペア:

[(1, 1327340), (2, 663670), (4, 331835), (5, 265468), (7, 189620), (10, 132734), (14, 94810), (19, 69860), (20, 66367), (28, 47405), (35, 37924), (38, 34930), (70, 18962), (76, 17465), (95, 13972), (133, 9980), (140, 9481), (190, 6986), (266, 4990), (380, 3493), (499, 2660), (532, 2495), (665, 1996), (998, 1330)]