289806848

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 629840640

約数和(自身を除く): 340033792

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 961, 992, 1178, 1216, 1922, 1984, 2356, 2432, 3844, 3968, 4712, 4864, 7688, 7936, 9424, 9728, 15376, 15872, 18259, 18848, 29791, 30752, 36518, 37696, 59582, 61504, 73036, 75392, 119164, 123008, 146072, 150784, 238328, 246016, 292144, 301568, 476656, 492032, 566029, 584288, 953312, 1132058, 1168576, 1906624, 2264116, 2337152, 3813248, 4528232, 4674304, 7626496, 9056464, 9348608, 15252992, 18112928, 36225856, 72451712, 144903424, 289806848]

約数ペア:

[(1, 289806848), (2, 144903424), (4, 72451712), (8, 36225856), (16, 18112928), (19, 15252992), (31, 9348608), (32, 9056464), (38, 7626496), (62, 4674304), (64, 4528232), (76, 3813248), (124, 2337152), (128, 2264116), (152, 1906624), (248, 1168576), (256, 1132058), (304, 953312), (496, 584288), (512, 566029), (589, 492032), (608, 476656), (961, 301568), (992, 292144), (1178, 246016), (1216, 238328), (1922, 150784), (1984, 146072), (2356, 123008), (2432, 119164), (3844, 75392), (3968, 73036), (4712, 61504), (4864, 59582), (7688, 37696), (7936, 36518), (9424, 30752), (9728, 29791), (15376, 18848), (15872, 18259)]