172811690

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{115981}}^1$

素因数の和:116137

約数の個数: 16

約数和(自身を含む): 313151400

約数和(自身を除く): 140339710

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 115981, 231962, 579905, 1159810, 17281169, 34562338, 86405845, 172811690]

約数ペア:

[(1, 172811690), (2, 86405845), (5, 34562338), (10, 17281169), (149, 1159810), (298, 579905), (745, 231962), (1490, 115981)]