636890420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{677543}}^1$

素因数の和:677599

約数の個数: 24

約数和(自身を含む): 1365928704

約数和(自身を除く): 729038284

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 677543, 1355086, 2710172, 3387715, 6775430, 13550860, 31844521, 63689042, 127378084, 159222605, 318445210, 636890420]

約数ペア:

[(1, 636890420), (2, 318445210), (4, 159222605), (5, 127378084), (10, 63689042), (20, 31844521), (47, 13550860), (94, 6775430), (188, 3387715), (235, 2710172), (470, 1355086), (940, 677543)]