197342890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{195389}}^1$

素因数の和:195497

約数の個数: 16

約数和(自身を含む): 358736040

約数和(自身を除く): 161393150

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 195389, 390778, 976945, 1953890, 19734289, 39468578, 98671445, 197342890]

約数ペア:

[(1, 197342890), (2, 98671445), (5, 39468578), (10, 19734289), (101, 1953890), (202, 976945), (505, 390778), (1010, 195389)]