71421910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{145759}}^1$

素因数の和:145780

約数の個数: 24

約数和(自身を含む): 149549760

約数和(自身を除く): 78127850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 145759, 291518, 728795, 1020313, 1457590, 2040626, 5101565, 7142191, 10203130, 14284382, 35710955, 71421910]

約数ペア:

[(1, 71421910), (2, 35710955), (5, 14284382), (7, 10203130), (10, 7142191), (14, 5101565), (35, 2040626), (49, 1457590), (70, 1020313), (98, 728795), (245, 291518), (490, 145759)]