210686890

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{83939}}^1$

素因数の和:84197

約数の個数: 16

約数和(自身を含む): 380751840

約数和(自身を除く): 170064950

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 83939, 167878, 419695, 839390, 21068689, 42137378, 105343445, 210686890]

約数ペア:

[(1, 210686890), (2, 105343445), (5, 42137378), (10, 21068689), (251, 839390), (502, 419695), (1255, 167878), (2510, 83939)]