678644508

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1\times {\mathrm{1999}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 1668800000

約数和(自身を除く): 990155492

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 1489, 1999, 2978, 3998, 4467, 5956, 5997, 7996, 8934, 11994, 17868, 23988, 28291, 37981, 56582, 75962, 84873, 113164, 113943, 151924, 169746, 227886, 339492, 455772, 2976511, 5953022, 8929533, 11906044, 17859066, 35718132, 56553709, 113107418, 169661127, 226214836, 339322254, 678644508]

約数ペア:

[(1, 678644508), (2, 339322254), (3, 226214836), (4, 169661127), (6, 113107418), (12, 56553709), (19, 35718132), (38, 17859066), (57, 11906044), (76, 8929533), (114, 5953022), (228, 2976511), (1489, 455772), (1999, 339492), (2978, 227886), (3998, 169746), (4467, 151924), (5956, 113943), (5997, 113164), (7996, 84873), (8934, 75962), (11994, 56582), (17868, 37981), (23988, 28291)]