397950520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13499}}^1$

素因数の和:13588

約数の個数: 64

約数和(自身を含む): 991440000

約数和(自身を除く): 593489480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 7370, 13499, 14740, 26998, 29480, 53996, 67495, 107992, 134990, 148489, 269980, 296978, 539960, 593956, 742445, 904433, 1187912, 1484890, 1808866, 2969780, 3617732, 4522165, 5939560, 7235464, 9044330, 9948763, 18088660, 19897526, 36177320, 39795052, 49743815, 79590104, 99487630, 198975260, 397950520]

約数ペア:

[(1, 397950520), (2, 198975260), (4, 99487630), (5, 79590104), (8, 49743815), (10, 39795052), (11, 36177320), (20, 19897526), (22, 18088660), (40, 9948763), (44, 9044330), (55, 7235464), (67, 5939560), (88, 4522165), (110, 3617732), (134, 2969780), (220, 1808866), (268, 1484890), (335, 1187912), (440, 904433), (536, 742445), (670, 593956), (737, 539960), (1340, 296978), (1474, 269980), (2680, 148489), (2948, 134990), (3685, 107992), (5896, 67495), (7370, 53996), (13499, 29480), (14740, 26998)]