78998360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4211}}^1$

素因数の和:4296

約数の個数: 64

約数和(自身を含む): 206219520

約数和(自身を除く): 127221160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4211, 4690, 8422, 9380, 16844, 18760, 21055, 29477, 33688, 42110, 58954, 84220, 117908, 147385, 168440, 235816, 282137, 294770, 564274, 589540, 1128548, 1179080, 1410685, 1974959, 2257096, 2821370, 3949918, 5642740, 7899836, 9874795, 11285480, 15799672, 19749590, 39499180, 78998360]

約数ペア:

[(1, 78998360), (2, 39499180), (4, 19749590), (5, 15799672), (7, 11285480), (8, 9874795), (10, 7899836), (14, 5642740), (20, 3949918), (28, 2821370), (35, 2257096), (40, 1974959), (56, 1410685), (67, 1179080), (70, 1128548), (134, 589540), (140, 564274), (268, 294770), (280, 282137), (335, 235816), (469, 168440), (536, 147385), (670, 117908), (938, 84220), (1340, 58954), (1876, 42110), (2345, 33688), (2680, 29477), (3752, 21055), (4211, 18760), (4690, 16844), (8422, 9380)]