2009143920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1195919}}^1$

素因数の和:1195942

約数の個数: 80

約数和(自身を含む): 7118115840

約数和(自身を除く): 5108971920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1195919, 2391838, 3587757, 4783676, 5979595, 7175514, 8371433, 9567352, 11959190, 14351028, 16742866, 17938785, 19134704, 23918380, 25114299, 28702056, 33485732, 35877570, 41857165, 47836760, 50228598, 57404112, 66971464, 71755140, 83714330, 95673520, 100457196, 125571495, 133942928, 143510280, 167428660, 200914392, 251142990, 287020560, 334857320, 401828784, 502285980, 669714640, 1004571960, 2009143920]

約数ペア:

[(1, 2009143920), (2, 1004571960), (3, 669714640), (4, 502285980), (5, 401828784), (6, 334857320), (7, 287020560), (8, 251142990), (10, 200914392), (12, 167428660), (14, 143510280), (15, 133942928), (16, 125571495), (20, 100457196), (21, 95673520), (24, 83714330), (28, 71755140), (30, 66971464), (35, 57404112), (40, 50228598), (42, 47836760), (48, 41857165), (56, 35877570), (60, 33485732), (70, 28702056), (80, 25114299), (84, 23918380), (105, 19134704), (112, 17938785), (120, 16742866), (140, 14351028), (168, 11959190), (210, 9567352), (240, 8371433), (280, 7175514), (336, 5979595), (420, 4783676), (560, 3587757), (840, 2391838), (1680, 1195919)]