919800340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{978511}}^1$

素因数の和:978567

約数の個数: 24

約数和(自身を含む): 1972680192

約数和(自身を除く): 1052879852

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 978511, 1957022, 3914044, 4892555, 9785110, 19570220, 45990017, 91980034, 183960068, 229950085, 459900170, 919800340]

約数ペア:

[(1, 919800340), (2, 459900170), (4, 229950085), (5, 183960068), (10, 91980034), (20, 45990017), (47, 19570220), (94, 9785110), (188, 4892555), (235, 3914044), (470, 1957022), (940, 978511)]