290411732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1523}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 579485760

約数和(自身を除く): 289074028

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 193, 247, 386, 494, 772, 988, 1523, 2509, 3046, 3667, 5018, 6092, 7334, 10036, 14668, 19799, 28937, 39598, 47671, 57874, 79196, 95342, 115748, 190684, 293939, 376181, 587878, 752362, 1175756, 1504724, 3821207, 5584841, 7642414, 11169682, 15284828, 22339364, 72602933, 145205866, 290411732]

約数ペア:

[(1, 290411732), (2, 145205866), (4, 72602933), (13, 22339364), (19, 15284828), (26, 11169682), (38, 7642414), (52, 5584841), (76, 3821207), (193, 1504724), (247, 1175756), (386, 752362), (494, 587878), (772, 376181), (988, 293939), (1523, 190684), (2509, 115748), (3046, 95342), (3667, 79196), (5018, 57874), (6092, 47671), (7334, 39598), (10036, 28937), (14668, 19799)]