8438380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 18200448

約数和(自身を除く): 9762068

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 191, 235, 382, 470, 764, 940, 955, 1910, 2209, 3820, 4418, 8836, 8977, 11045, 17954, 22090, 35908, 44180, 44885, 89770, 179540, 421919, 843838, 1687676, 2109595, 4219190, 8438380]

約数ペア:

[(1, 8438380), (2, 4219190), (4, 2109595), (5, 1687676), (10, 843838), (20, 421919), (47, 179540), (94, 89770), (188, 44885), (191, 44180), (235, 35908), (382, 22090), (470, 17954), (764, 11045), (940, 8977), (955, 8836), (1910, 4418), (2209, 3820)]