6440670.00000000

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 85747200

約数和(自身を除く): 45343396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 173, 266, 346, 439, 532, 692, 878, 1211, 1756, 2422, 3073, 3287, 4844, 6146, 6574, 8341, 12292, 13148, 16682, 23009, 33364, 46018, 58387, 75947, 92036, 116774, 151894, 233548, 303788, 531629, 1063258, 1442993, 2126516, 2885986, 5771972, 10100951, 20201902, 40403804]

約数ペア:

[(1, 40403804), (2, 20201902), (4, 10100951), (7, 5771972), (14, 2885986), (19, 2126516), (28, 1442993), (38, 1063258), (76, 531629), (133, 303788), (173, 233548), (266, 151894), (346, 116774), (439, 92036), (532, 75947), (692, 58387), (878, 46018), (1211, 33364), (1756, 23009), (2422, 16682), (3073, 13148), (3287, 12292), (4844, 8341), (6146, 6574)]