248705808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 240

約数和(自身を含む): 766808064

約数和(自身を除く): 518102256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 31, 39, 43, 46, 48, 52, 62, 69, 78, 86, 92, 93, 104, 124, 129, 138, 156, 169, 172, 184, 186, 208, 248, 258, 276, 299, 312, 338, 344, 368, 372, 403, 496, 507, 516, 552, 559, 598, 624, 676, 688, 713, 744, 806, 897, 989, 1014, 1032, 1104, 1118, 1196, 1209, 1333, 1352, 1426, 1488, 1612, 1677, 1794, 1978, 2028, 2064, 2139, 2236, 2392, 2418, 2666, 2704, 2852, 2967, 3224, 3354, 3588, 3887, 3956, 3999, 4056, 4278, 4472, 4784, 4836, 5239, 5332, 5704, 5934, 6448, 6708, 7176, 7267, 7774, 7912, 7998, 8112, 8556, 8944, 9269, 9672, 10478, 10664, 11408, 11661, 11868, 12857, 13416, 14352, 14534, 15548, 15717, 15824, 15996, 17112, 17329, 18538, 19344, 20956, 21328, 21801, 23322, 23736, 25714, 26832, 27807, 29068, 30659, 31096, 31434, 31992, 34224, 34658, 37076, 38571, 41912, 43602, 46644, 47472, 51428, 51987, 55614, 58136, 61318, 62192, 62868, 63984, 69316, 74152, 77142, 83824, 87204, 91977, 93288, 102856, 103974, 111228, 116272, 120497, 122636, 125736, 138632, 148304, 154284, 167141, 174408, 183954, 186576, 205712, 207948, 222456, 225277, 240994, 245272, 251472, 277264, 308568, 334282, 348816, 361491, 367908, 398567, 415896, 444912, 450554, 481988, 490544, 501423, 617136, 668564, 675831, 722982, 735816, 797134, 831792, 901108, 963976, 1002846, 1195701, 1337128, 1351662, 1445964, 1471632, 1594268, 1802216, 1927952, 2005692, 2391402, 2674256, 2703324, 2891928, 3188536, 3604432, 4011384, 4782804, 5181371, 5406648, 5783856, 6377072, 8022768, 9565608, 10362742, 10813296, 15544113, 19131216, 20725484, 31088226, 41450968, 62176452, 82901936, 124352904, 248705808]

約数ペア:

[(1, 248705808), (2, 124352904), (3, 82901936), (4, 62176452), (6, 41450968), (8, 31088226), (12, 20725484), (13, 19131216), (16, 15544113), (23, 10813296), (24, 10362742), (26, 9565608), (31, 8022768), (39, 6377072), (43, 5783856), (46, 5406648), (48, 5181371), (52, 4782804), (62, 4011384), (69, 3604432), (78, 3188536), (86, 2891928), (92, 2703324), (93, 2674256), (104, 2391402), (124, 2005692), (129, 1927952), (138, 1802216), (156, 1594268), (169, 1471632), (172, 1445964), (184, 1351662), (186, 1337128), (208, 1195701), (248, 1002846), (258, 963976), (276, 901108), (299, 831792), (312, 797134), (338, 735816), (344, 722982), (368, 675831), (372, 668564), (403, 617136), (496, 501423), (507, 490544), (516, 481988), (552, 450554), (559, 444912), (598, 415896), (624, 398567), (676, 367908), (688, 361491), (713, 348816), (744, 334282), (806, 308568), (897, 277264), (989, 251472), (1014, 245272), (1032, 240994), (1104, 225277), (1118, 222456), (1196, 207948), (1209, 205712), (1333, 186576), (1352, 183954), (1426, 174408), (1488, 167141), (1612, 154284), (1677, 148304), (1794, 138632), (1978, 125736), (2028, 122636), (2064, 120497), (2139, 116272), (2236, 111228), (2392, 103974), (2418, 102856), (2666, 93288), (2704, 91977), (2852, 87204), (2967, 83824), (3224, 77142), (3354, 74152), (3588, 69316), (3887, 63984), (3956, 62868), (3999, 62192), (4056, 61318), (4278, 58136), (4472, 55614), (4784, 51987), (4836, 51428), (5239, 47472), (5332, 46644), (5704, 43602), (5934, 41912), (6448, 38571), (6708, 37076), (7176, 34658), (7267, 34224), (7774, 31992), (7912, 31434), (7998, 31096), (8112, 30659), (8556, 29068), (8944, 27807), (9269, 26832), (9672, 25714), (10478, 23736), (10664, 23322), (11408, 21801), (11661, 21328), (11868, 20956), (12857, 19344), (13416, 18538), (14352, 17329), (14534, 17112), (15548, 15996), (15717, 15824)]