254358104

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1441

約数の個数: 128

約数和(自身を含む): 668666880

約数和(自身を除く): 414308776

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 56, 77, 88, 91, 92, 104, 143, 154, 161, 182, 184, 253, 286, 299, 308, 322, 364, 506, 572, 598, 616, 644, 728, 1001, 1012, 1144, 1196, 1288, 1381, 1771, 2002, 2024, 2093, 2392, 2762, 3289, 3542, 4004, 4186, 5524, 6578, 7084, 8008, 8372, 9667, 11048, 13156, 14168, 15191, 16744, 17953, 19334, 23023, 26312, 30382, 31763, 35906, 38668, 46046, 60764, 63526, 71812, 77336, 92092, 106337, 121528, 125671, 127052, 143624, 184184, 197483, 212674, 222341, 251342, 254104, 349393, 394966, 412919, 425348, 444682, 502684, 698786, 789932, 825838, 850696, 889364, 1005368, 1382381, 1397572, 1579864, 1651676, 1778728, 2445751, 2764762, 2795144, 2890433, 3303352, 4542109, 4891502, 5529524, 5780866, 9084218, 9783004, 11059048, 11561732, 18168436, 19566008, 23123464, 31794763, 36336872, 63589526, 127179052, 254358104]

約数ペア:

[(1, 254358104), (2, 127179052), (4, 63589526), (7, 36336872), (8, 31794763), (11, 23123464), (13, 19566008), (14, 18168436), (22, 11561732), (23, 11059048), (26, 9783004), (28, 9084218), (44, 5780866), (46, 5529524), (52, 4891502), (56, 4542109), (77, 3303352), (88, 2890433), (91, 2795144), (92, 2764762), (104, 2445751), (143, 1778728), (154, 1651676), (161, 1579864), (182, 1397572), (184, 1382381), (253, 1005368), (286, 889364), (299, 850696), (308, 825838), (322, 789932), (364, 698786), (506, 502684), (572, 444682), (598, 425348), (616, 412919), (644, 394966), (728, 349393), (1001, 254104), (1012, 251342), (1144, 222341), (1196, 212674), (1288, 197483), (1381, 184184), (1771, 143624), (2002, 127052), (2024, 125671), (2093, 121528), (2392, 106337), (2762, 92092), (3289, 77336), (3542, 71812), (4004, 63526), (4186, 60764), (5524, 46046), (6578, 38668), (7084, 35906), (8008, 31763), (8372, 30382), (9667, 26312), (11048, 23023), (13156, 19334), (14168, 17953), (15191, 16744)]