1971440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 4828560

約数和(自身を除く): 2857120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1297, 1520, 2594, 5188, 6485, 10376, 12970, 20752, 24643, 25940, 49286, 51880, 98572, 103760, 123215, 197144, 246430, 394288, 492860, 985720, 1971440]

約数ペア:

[(1, 1971440), (2, 985720), (4, 492860), (5, 394288), (8, 246430), (10, 197144), (16, 123215), (19, 103760), (20, 98572), (38, 51880), (40, 49286), (76, 25940), (80, 24643), (95, 20752), (152, 12970), (190, 10376), (304, 6485), (380, 5188), (760, 2594), (1297, 1520)]