278689188

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 716284800

約数和(自身を除く): 437595612

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 113, 114, 116, 174, 226, 228, 339, 348, 373, 452, 551, 678, 746, 1102, 1119, 1356, 1492, 1653, 2147, 2204, 2238, 3277, 3306, 4294, 4476, 6441, 6554, 6612, 7087, 8588, 9831, 10817, 12882, 13108, 14174, 19662, 21261, 21634, 25764, 28348, 32451, 39324, 42149, 42522, 43268, 62263, 64902, 84298, 85044, 124526, 126447, 129804, 168596, 186789, 205523, 249052, 252894, 373578, 411046, 505788, 616569, 747156, 800831, 822092, 1222321, 1233138, 1601662, 2402493, 2444642, 2466276, 3203324, 3666963, 4804986, 4889284, 7333926, 9609972, 14667852, 23224099, 46448198, 69672297, 92896396, 139344594, 278689188]

約数ペア:

[(1, 278689188), (2, 139344594), (3, 92896396), (4, 69672297), (6, 46448198), (12, 23224099), (19, 14667852), (29, 9609972), (38, 7333926), (57, 4889284), (58, 4804986), (76, 3666963), (87, 3203324), (113, 2466276), (114, 2444642), (116, 2402493), (174, 1601662), (226, 1233138), (228, 1222321), (339, 822092), (348, 800831), (373, 747156), (452, 616569), (551, 505788), (678, 411046), (746, 373578), (1102, 252894), (1119, 249052), (1356, 205523), (1492, 186789), (1653, 168596), (2147, 129804), (2204, 126447), (2238, 124526), (3277, 85044), (3306, 84298), (4294, 64902), (4476, 62263), (6441, 43268), (6554, 42522), (6612, 42149), (7087, 39324), (8588, 32451), (9831, 28348), (10817, 25764), (12882, 21634), (13108, 21261), (14174, 19662)]