89647366940

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1\times {\mathrm{4999}}^1$

素因数の和:7454

約数の個数: 48

約数和(自身を含む): 188811000000

約数和(自身を除く): 99163633060

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 1997, 2245, 3994, 4490, 4999, 7988, 8980, 9985, 9998, 19970, 19996, 24995, 39940, 49990, 99980, 896653, 1793306, 2244551, 3586612, 4483265, 4489102, 8966530, 8978204, 9983003, 11222755, 17933060, 19966006, 22445510, 39932012, 44891020, 49915015, 99830030, 199660060, 4482368347, 8964736694, 17929473388, 22411841735, 44823683470, 89647366940]

約数ペア:

[(1, 89647366940), (2, 44823683470), (4, 22411841735), (5, 17929473388), (10, 8964736694), (20, 4482368347), (449, 199660060), (898, 99830030), (1796, 49915015), (1997, 44891020), (2245, 39932012), (3994, 22445510), (4490, 19966006), (4999, 17933060), (7988, 11222755), (8980, 9983003), (9985, 8978204), (9998, 8966530), (19970, 4489102), (19996, 4483265), (24995, 3586612), (39940, 2244551), (49990, 1793306), (99980, 896653)]