204538910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229819}}^1$

素因数の和:229915

約数の個数: 16

約数和(自身を含む): 372308400

約数和(自身を除く): 167769490

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 229819, 459638, 1149095, 2298190, 20453891, 40907782, 102269455, 204538910]

約数ペア:

[(1, 204538910), (2, 102269455), (5, 40907782), (10, 20453891), (89, 2298190), (178, 1149095), (445, 459638), (890, 229819)]