400990128

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1409}}^1$

素因数の和:1456

約数の個数: 180

約数和(自身を含む): 1325462040

約数和(自身を除く): 924471912

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 121, 132, 147, 154, 168, 176, 196, 231, 242, 264, 294, 308, 336, 363, 392, 462, 484, 528, 539, 588, 616, 726, 784, 847, 924, 968, 1078, 1176, 1232, 1409, 1452, 1617, 1694, 1848, 1936, 2156, 2352, 2541, 2818, 2904, 3234, 3388, 3696, 4227, 4312, 5082, 5636, 5808, 5929, 6468, 6776, 8454, 8624, 9863, 10164, 11272, 11858, 12936, 13552, 15499, 16908, 17787, 19726, 20328, 22544, 23716, 25872, 29589, 30998, 33816, 35574, 39452, 40656, 46497, 47432, 59178, 61996, 67632, 69041, 71148, 78904, 92994, 94864, 108493, 118356, 123992, 138082, 142296, 157808, 170489, 185988, 207123, 216986, 236712, 247984, 276164, 284592, 325479, 340978, 371976, 414246, 433972, 473424, 511467, 552328, 650958, 681956, 743952, 759451, 828492, 867944, 1022934, 1104656, 1193423, 1301916, 1363912, 1518902, 1656984, 1735888, 2045868, 2278353, 2386846, 2603832, 2727824, 3037804, 3313968, 3580269, 4091736, 4556706, 4773692, 5207664, 6075608, 7160538, 8183472, 8353961, 9113412, 9547384, 12151216, 14321076, 16707922, 18226824, 19094768, 25061883, 28642152, 33415844, 36453648, 50123766, 57284304, 66831688, 100247532, 133663376, 200495064, 400990128]

約数ペア:

[(1, 400990128), (2, 200495064), (3, 133663376), (4, 100247532), (6, 66831688), (7, 57284304), (8, 50123766), (11, 36453648), (12, 33415844), (14, 28642152), (16, 25061883), (21, 19094768), (22, 18226824), (24, 16707922), (28, 14321076), (33, 12151216), (42, 9547384), (44, 9113412), (48, 8353961), (49, 8183472), (56, 7160538), (66, 6075608), (77, 5207664), (84, 4773692), (88, 4556706), (98, 4091736), (112, 3580269), (121, 3313968), (132, 3037804), (147, 2727824), (154, 2603832), (168, 2386846), (176, 2278353), (196, 2045868), (231, 1735888), (242, 1656984), (264, 1518902), (294, 1363912), (308, 1301916), (336, 1193423), (363, 1104656), (392, 1022934), (462, 867944), (484, 828492), (528, 759451), (539, 743952), (588, 681956), (616, 650958), (726, 552328), (784, 511467), (847, 473424), (924, 433972), (968, 414246), (1078, 371976), (1176, 340978), (1232, 325479), (1409, 284592), (1452, 276164), (1617, 247984), (1694, 236712), (1848, 216986), (1936, 207123), (2156, 185988), (2352, 170489), (2541, 157808), (2818, 142296), (2904, 138082), (3234, 123992), (3388, 118356), (3696, 108493), (4227, 94864), (4312, 92994), (5082, 78904), (5636, 71148), (5808, 69041), (5929, 67632), (6468, 61996), (6776, 59178), (8454, 47432), (8624, 46497), (9863, 40656), (10164, 39452), (11272, 35574), (11858, 33816), (12936, 30998), (13552, 29589), (15499, 25872), (16908, 23716), (17787, 22544), (19726, 20328)]