73402840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{262153}}^1$

素因数の和:262171

約数の個数: 32

約数和(自身を含む): 188750880

約数和(自身を除く): 115348040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 262153, 524306, 1048612, 1310765, 1835071, 2097224, 2621530, 3670142, 5243060, 7340284, 9175355, 10486120, 14680568, 18350710, 36701420, 73402840]

約数ペア:

[(1, 73402840), (2, 36701420), (4, 18350710), (5, 14680568), (7, 10486120), (8, 9175355), (10, 7340284), (14, 5243060), (20, 3670142), (28, 2621530), (35, 2097224), (40, 1835071), (56, 1310765), (70, 1048612), (140, 524306), (280, 262153)]