278689152

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:744

約数の個数: 128

約数和(自身を含む): 851904000

約数和(自身を除く): 573214848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 199, 224, 336, 384, 398, 448, 521, 597, 672, 796, 896, 1042, 1194, 1344, 1393, 1563, 1592, 2084, 2388, 2688, 2786, 3126, 3184, 3647, 4168, 4179, 4776, 5572, 6252, 6368, 7294, 8336, 8358, 9552, 10941, 11144, 12504, 12736, 14588, 16672, 16716, 19104, 21882, 22288, 25008, 25472, 29176, 33344, 33432, 38208, 43764, 44576, 50016, 58352, 66688, 66864, 76416, 87528, 89152, 100032, 103679, 116704, 133728, 175056, 178304, 200064, 207358, 233408, 267456, 311037, 350112, 414716, 466816, 534912, 622074, 700224, 725753, 829432, 1244148, 1400448, 1451506, 1658864, 2177259, 2488296, 2903012, 3317728, 4354518, 4976592, 5806024, 6635456, 8709036, 9953184, 11612048, 13270912, 17418072, 19906368, 23224096, 34836144, 39812736, 46448192, 69672288, 92896384, 139344576, 278689152]

約数ペア:

[(1, 278689152), (2, 139344576), (3, 92896384), (4, 69672288), (6, 46448192), (7, 39812736), (8, 34836144), (12, 23224096), (14, 19906368), (16, 17418072), (21, 13270912), (24, 11612048), (28, 9953184), (32, 8709036), (42, 6635456), (48, 5806024), (56, 4976592), (64, 4354518), (84, 3317728), (96, 2903012), (112, 2488296), (128, 2177259), (168, 1658864), (192, 1451506), (199, 1400448), (224, 1244148), (336, 829432), (384, 725753), (398, 700224), (448, 622074), (521, 534912), (597, 466816), (672, 414716), (796, 350112), (896, 311037), (1042, 267456), (1194, 233408), (1344, 207358), (1393, 200064), (1563, 178304), (1592, 175056), (2084, 133728), (2388, 116704), (2688, 103679), (2786, 100032), (3126, 89152), (3184, 87528), (3647, 76416), (4168, 66864), (4179, 66688), (4776, 58352), (5572, 50016), (6252, 44576), (6368, 43764), (7294, 38208), (8336, 33432), (8358, 33344), (9552, 29176), (10941, 25472), (11144, 25008), (12504, 22288), (12736, 21882), (14588, 19104), (16672, 16716)]