28729910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1879}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 56851200

約数和(自身を除く): 28121290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 1879, 3058, 3758, 7645, 9395, 15290, 18790, 20669, 41338, 103345, 206690, 261181, 522362, 1305905, 2611810, 2872991, 5745982, 14364955, 28729910]

約数ペア:

[(1, 28729910), (2, 14364955), (5, 5745982), (10, 2872991), (11, 2611810), (22, 1305905), (55, 522362), (110, 261181), (139, 206690), (278, 103345), (695, 41338), (1390, 20669), (1529, 18790), (1879, 15290), (3058, 9395), (3758, 7645)]