88731891860

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1999}}^1\times {\mathrm{4943}}^1$

素因数の和:7400

約数の個数: 48

約数和(自身を含む): 186883200000

約数和(自身を除く): 98151308140

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 1999, 2245, 3998, 4490, 4943, 7996, 8980, 9886, 9995, 19772, 19990, 24715, 39980, 49430, 98860, 897551, 1795102, 2219407, 3590204, 4438814, 4487755, 8877628, 8975510, 9881057, 11097035, 17951020, 19762114, 22194070, 39524228, 44388140, 49405285, 98810570, 197621140, 4436594593, 8873189186, 17746378372, 22182972965, 44365945930, 88731891860]

約数ペア:

[(1, 88731891860), (2, 44365945930), (4, 22182972965), (5, 17746378372), (10, 8873189186), (20, 4436594593), (449, 197621140), (898, 98810570), (1796, 49405285), (1999, 44388140), (2245, 39524228), (3998, 22194070), (4490, 19762114), (4943, 17951020), (7996, 11097035), (8980, 9881057), (9886, 8975510), (9995, 8877628), (19772, 4487755), (19990, 4438814), (24715, 3590204), (39980, 2219407), (49430, 1795102), (98860, 897551)]