390919424

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 108

約数和(自身を含む): 925539552

約数和(自身を除く): 534620128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 227, 248, 256, 434, 448, 454, 496, 868, 896, 908, 961, 992, 1589, 1736, 1792, 1816, 1922, 1984, 3178, 3472, 3632, 3844, 3968, 6356, 6727, 6944, 7037, 7264, 7688, 7936, 12712, 13454, 13888, 14074, 14528, 15376, 25424, 26908, 27776, 28148, 29056, 30752, 49259, 50848, 53816, 55552, 56296, 58112, 61504, 98518, 101696, 107632, 112592, 123008, 197036, 203392, 215264, 218147, 225184, 246016, 394072, 406784, 430528, 436294, 450368, 788144, 861056, 872588, 900736, 1527029, 1576288, 1722112, 1745176, 1801472, 3054058, 3152576, 3490352, 6108116, 6305152, 6980704, 12216232, 12610304, 13961408, 24432464, 27922816, 48864928, 55845632, 97729856, 195459712, 390919424]

約数ペア:

[(1, 390919424), (2, 195459712), (4, 97729856), (7, 55845632), (8, 48864928), (14, 27922816), (16, 24432464), (28, 13961408), (31, 12610304), (32, 12216232), (56, 6980704), (62, 6305152), (64, 6108116), (112, 3490352), (124, 3152576), (128, 3054058), (217, 1801472), (224, 1745176), (227, 1722112), (248, 1576288), (256, 1527029), (434, 900736), (448, 872588), (454, 861056), (496, 788144), (868, 450368), (896, 436294), (908, 430528), (961, 406784), (992, 394072), (1589, 246016), (1736, 225184), (1792, 218147), (1816, 215264), (1922, 203392), (1984, 197036), (3178, 123008), (3472, 112592), (3632, 107632), (3844, 101696), (3968, 98518), (6356, 61504), (6727, 58112), (6944, 56296), (7037, 55552), (7264, 53816), (7688, 50848), (7936, 49259), (12712, 30752), (13454, 29056), (13888, 28148), (14074, 27776), (14528, 26908), (15376, 25424)]