663670220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{2011}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 1445018400

約数和(自身を除く): 781348180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 569, 580, 1138, 2011, 2276, 2845, 4022, 5690, 8044, 10055, 11380, 16501, 20110, 33002, 40220, 58319, 66004, 82505, 116638, 165010, 233276, 291595, 330020, 583190, 1144259, 1166380, 2288518, 4577036, 5721295, 11442590, 22885180, 33183511, 66367022, 132734044, 165917555, 331835110, 663670220]

約数ペア:

[(1, 663670220), (2, 331835110), (4, 165917555), (5, 132734044), (10, 66367022), (20, 33183511), (29, 22885180), (58, 11442590), (116, 5721295), (145, 4577036), (290, 2288518), (569, 1166380), (580, 1144259), (1138, 583190), (2011, 330020), (2276, 291595), (2845, 233276), (4022, 165010), (5690, 116638), (8044, 82505), (10055, 66004), (11380, 58319), (16501, 40220), (20110, 33002)]