278693748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4909}}^1$

素因数の和:5021

約数の個数: 72

約数和(自身を含む): 750640800

約数和(自身を除く): 471947052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 498, 684, 747, 996, 1494, 1577, 2988, 3154, 4731, 4909, 6308, 9462, 9818, 14193, 14727, 18924, 19636, 28386, 29454, 44181, 56772, 58908, 88362, 93271, 176724, 186542, 279813, 373084, 407447, 559626, 814894, 839439, 1119252, 1222341, 1629788, 1678878, 2444682, 3357756, 3667023, 4889364, 7334046, 7741493, 14668092, 15482986, 23224479, 30965972, 46448958, 69673437, 92897916, 139346874, 278693748]

約数ペア:

[(1, 278693748), (2, 139346874), (3, 92897916), (4, 69673437), (6, 46448958), (9, 30965972), (12, 23224479), (18, 15482986), (19, 14668092), (36, 7741493), (38, 7334046), (57, 4889364), (76, 3667023), (83, 3357756), (114, 2444682), (166, 1678878), (171, 1629788), (228, 1222341), (249, 1119252), (332, 839439), (342, 814894), (498, 559626), (684, 407447), (747, 373084), (996, 279813), (1494, 186542), (1577, 176724), (2988, 93271), (3154, 88362), (4731, 58908), (4909, 56772), (6308, 44181), (9462, 29454), (9818, 28386), (14193, 19636), (14727, 18924)]