129406910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{681089}}^1$

素因数の和:681115

約数の個数: 16

約数和(自身を含む): 245192400

約数和(自身を除く): 115785490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 681089, 1362178, 3405445, 6810890, 12940691, 25881382, 64703455, 129406910]

約数ペア:

[(1, 129406910), (2, 64703455), (5, 25881382), (10, 12940691), (19, 6810890), (38, 3405445), (95, 1362178), (190, 681089)]