290779496

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{273289}}^1$

素因数の和:273321

約数の個数: 32

約数和(自身を含む): 655896000

約数和(自身を除く): 365116504

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 273289, 546578, 1093156, 1913023, 2186312, 3826046, 5192491, 7652092, 10384982, 15304184, 20769964, 36347437, 41539928, 72694874, 145389748, 290779496]

約数ペア:

[(1, 290779496), (2, 145389748), (4, 72694874), (7, 41539928), (8, 36347437), (14, 20769964), (19, 15304184), (28, 10384982), (38, 7652092), (56, 5192491), (76, 3826046), (133, 2186312), (152, 1913023), (266, 1093156), (532, 546578), (1064, 273289)]