71257790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{19739}}^1$

素因数の和:19784

約数の個数: 24

約数和(自身を含む): 135376920

約数和(自身を除く): 64119130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 19739, 39478, 98695, 197390, 375041, 750082, 1875205, 3750410, 7125779, 14251558, 35628895, 71257790]

約数ペア:

[(1, 71257790), (2, 35628895), (5, 14251558), (10, 7125779), (19, 3750410), (38, 1875205), (95, 750082), (190, 375041), (361, 197390), (722, 98695), (1805, 39478), (3610, 19739)]