2011899860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{4943}}^1$

素因数の和:5432

約数の個数: 48

約数和(自身を含む): 4325723136

約数和(自身を除く): 2313823276

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 433, 470, 866, 940, 1732, 2165, 4330, 4943, 8660, 9886, 19772, 20351, 24715, 40702, 49430, 81404, 98860, 101755, 203510, 232321, 407020, 464642, 929284, 1161605, 2140319, 2323210, 4280638, 4646420, 8561276, 10701595, 21403190, 42806380, 100594993, 201189986, 402379972, 502974965, 1005949930, 2011899860]

約数ペア:

[(1, 2011899860), (2, 1005949930), (4, 502974965), (5, 402379972), (10, 201189986), (20, 100594993), (47, 42806380), (94, 21403190), (188, 10701595), (235, 8561276), (433, 4646420), (470, 4280638), (866, 2323210), (940, 2140319), (1732, 1161605), (2165, 929284), (4330, 464642), (4943, 407020), (8660, 232321), (9886, 203510), (19772, 101755), (20351, 98860), (24715, 81404), (40702, 49430)]