287072210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263369}}^1$

素因数の和:263485

約数の個数: 16

約数和(自身を含む): 521472600

約数和(自身を除く): 234400390

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 263369, 526738, 1316845, 2633690, 28707221, 57414442, 143536105, 287072210]

約数ペア:

[(1, 287072210), (2, 143536105), (5, 57414442), (10, 28707221), (109, 2633690), (218, 1316845), (545, 526738), (1090, 263369)]