208520770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{234293}}^1$

素因数の和:234389

約数の個数: 16

約数和(自身を含む): 379556280

約数和(自身を除く): 171035510

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 234293, 468586, 1171465, 2342930, 20852077, 41704154, 104260385, 208520770]

約数ペア:

[(1, 208520770), (2, 104260385), (5, 41704154), (10, 20852077), (89, 2342930), (178, 1171465), (445, 468586), (890, 234293)]