258173870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{290083}}^1$

素因数の和:290179

約数の個数: 16

約数和(自身を含む): 469936080

約数和(自身を除く): 211762210

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 290083, 580166, 1450415, 2900830, 25817387, 51634774, 129086935, 258173870]

約数ペア:

[(1, 258173870), (2, 129086935), (5, 51634774), (10, 25817387), (89, 2900830), (178, 1450415), (445, 580166), (890, 290083)]