2654680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 7200000

約数和(自身を除く): 4545320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 499, 532, 665, 760, 998, 1064, 1330, 1996, 2495, 2660, 3493, 3992, 4990, 5320, 6986, 9481, 9980, 13972, 17465, 18962, 19960, 27944, 34930, 37924, 47405, 66367, 69860, 75848, 94810, 132734, 139720, 189620, 265468, 331835, 379240, 530936, 663670, 1327340, 2654680]

約数ペア:

[(1, 2654680), (2, 1327340), (4, 663670), (5, 530936), (7, 379240), (8, 331835), (10, 265468), (14, 189620), (19, 139720), (20, 132734), (28, 94810), (35, 75848), (38, 69860), (40, 66367), (56, 47405), (70, 37924), (76, 34930), (95, 27944), (133, 19960), (140, 18962), (152, 17465), (190, 13972), (266, 9980), (280, 9481), (380, 6986), (499, 5320), (532, 4990), (665, 3992), (760, 3493), (998, 2660), (1064, 2495), (1330, 1996)]