280298032

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 687575040

約数和(自身を除く): 407277008

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 217, 248, 266, 304, 392, 434, 496, 532, 589, 607, 784, 868, 931, 1064, 1178, 1214, 1519, 1736, 1862, 2128, 2356, 2428, 3038, 3472, 3724, 4123, 4249, 4712, 4856, 6076, 7448, 8246, 8498, 9424, 9712, 11533, 12152, 14896, 16492, 16996, 18817, 23066, 24304, 28861, 29743, 32984, 33992, 37634, 46132, 57722, 59486, 65968, 67984, 75268, 80731, 92264, 115444, 118972, 131719, 150536, 161462, 184528, 230888, 237944, 263438, 301072, 322924, 357523, 461776, 475888, 526876, 565117, 645848, 715046, 922033, 1053752, 1130234, 1291696, 1430092, 1844066, 2107504, 2260468, 2502661, 2860184, 3688132, 4520936, 5005322, 5720368, 7376264, 9041872, 10010644, 14752528, 17518627, 20021288, 35037254, 40042576, 70074508, 140149016, 280298032]

約数ペア:

[(1, 280298032), (2, 140149016), (4, 70074508), (7, 40042576), (8, 35037254), (14, 20021288), (16, 17518627), (19, 14752528), (28, 10010644), (31, 9041872), (38, 7376264), (49, 5720368), (56, 5005322), (62, 4520936), (76, 3688132), (98, 2860184), (112, 2502661), (124, 2260468), (133, 2107504), (152, 1844066), (196, 1430092), (217, 1291696), (248, 1130234), (266, 1053752), (304, 922033), (392, 715046), (434, 645848), (496, 565117), (532, 526876), (589, 475888), (607, 461776), (784, 357523), (868, 322924), (931, 301072), (1064, 263438), (1178, 237944), (1214, 230888), (1519, 184528), (1736, 161462), (1862, 150536), (2128, 131719), (2356, 118972), (2428, 115444), (3038, 92264), (3472, 80731), (3724, 75268), (4123, 67984), (4249, 65968), (4712, 59486), (4856, 57722), (6076, 46132), (7448, 37634), (8246, 33992), (8498, 32984), (9424, 29743), (9712, 28861), (11533, 24304), (12152, 23066), (14896, 18817), (16492, 16996)]