71112820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187139}}^1$

素因数の和:187167

約数の個数: 24

約数和(自身を含む): 157197600

約数和(自身を除く): 86084780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 187139, 374278, 748556, 935695, 1871390, 3555641, 3742780, 7111282, 14222564, 17778205, 35556410, 71112820]

約数ペア:

[(1, 71112820), (2, 35556410), (4, 17778205), (5, 14222564), (10, 7111282), (19, 3742780), (20, 3555641), (38, 1871390), (76, 935695), (95, 748556), (190, 374278), (380, 187139)]